PCE module init

[transportpce.git] / tests / sample_configs / NW-simple-topology.xml

diff --git a/tests/sample_configs/NW-simple-topology.xml b/tests/sample_configs/NW-simple-topology.xml
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+<network xmlns="urn:ietf:params:xml:ns:yang:ietf-network">
+ <network-id>openroadm-topology</network-id>
+<node>    <node-id>OpenROADM-1-1-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-1-1-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-1-1-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-1</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-1-1-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-1</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-1-1</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-1-1</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-1-2-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-1-2-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-1-2-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-2</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-1-2-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-1-2</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>1</index> </available-wavelengths>
+        <available-wavelengths> <index>2</index> </available-wavelengths>
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-1-2</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-1-2</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-2-1-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-2-1-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-2-1-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-1</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-2-1-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-1</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-2-1</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-2-1</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-2-2-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-2-2-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-2-2-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-2</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-2-2-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-2-2</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>3</index> </available-wavelengths>
+        <available-wavelengths> <index>4</index> </available-wavelengths>
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-2-2</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-2-2</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-3-1-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-3-1-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-3-1-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-1</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-3-1-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-1</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-3-1</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-3-1</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-3-2-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-3-2-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-3-2-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-2</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-3-2-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-3-2</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>5</index> </available-wavelengths>
+        <available-wavelengths> <index>6</index> </available-wavelengths>
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-3-2</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-3-2</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-4-1-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-4-1-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-4-1-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-1</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-4-1-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-1</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-4-1</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-4-1</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-4-2-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-4-2-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-4-2-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-2</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-4-2-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-4-2</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>7</index> </available-wavelengths>
+        <available-wavelengths> <index>8</index> </available-wavelengths>
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-4-2</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-4-2</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-5-1-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-5-1-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-1</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-5-1-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-1</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-5-1-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-1</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-5-1</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-5-1</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+<node>    <node-id>OpenROADM-5-2-DEG1</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG1-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-5-2-DEG2</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG2-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-2</node-ref>    </supporting-node></node>
+<node>    <node-id>OpenROADM-5-2-DEG3</node-id>
+    <node-type xmlns="http://org/openroadm/network/topology">DEGREE</node-type>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-TX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-CTP-RX</tp-id>  <ctp-attributes xmlns="http://org/openroadm/network/topology"></ctp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-CTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-RX</tp-id>  <rx-ttp-attributes xmlns="http://org/openroadm/network/topology"></rx-ttp-attributes>
+  <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-RX-TTP</tp-type> </termination-point>
+    <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology"> <tp-id>DEG3-TTP-TX</tp-id>  <tx-ttp-attributes xmlns="http://org/openroadm/network/topology"></tx-ttp-attributes>
+    <tp-type xmlns="http://org/openroadm/network/topology">DEGREE-TX-TTP</tp-type></termination-point>
+  <degree-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </degree-attributes>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-2</node-ref>    </supporting-node></node>
+<node>   <node-id>OpenROADM-5-2-SRG1</node-id>     <node-type xmlns="http://org/openroadm/network/topology">SRG</node-type>
+        <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>OpenROADM-5-2</node-ref>    </supporting-node>
+        <srg-attributes xmlns="http://org/openroadm/network/topology">
+        <available-wavelengths> <index>9</index> </available-wavelengths>
+        <available-wavelengths> <index>10</index> </available-wavelengths>
+        <available-wavelengths> <index>11</index> </available-wavelengths>
+        <available-wavelengths> <index>12</index> </available-wavelengths>
+        <available-wavelengths> <index>13</index> </available-wavelengths>
+        <available-wavelengths> <index>14</index> </available-wavelengths>
+        <available-wavelengths> <index>15</index> </available-wavelengths>
+        <available-wavelengths> <index>16</index> </available-wavelengths>
+        <available-wavelengths> <index>17</index> </available-wavelengths>
+        <available-wavelengths> <index>18</index> </available-wavelengths>
+        </srg-attributes>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-RX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-CP</tp-type>               </termination-point>
+        <termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">               <tp-id>SRG1-CP-TX</tp-id>  <cp-attributes xmlns="http://org/openroadm/network/topology"></cp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-CP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP1-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP1-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP2-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP2-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP3-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP3-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP4-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP4-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <tp-id>SRG1-PP5-RX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-RX-PP</tp-type>        </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">                   <tp-id>SRG1-PP5-TX</tp-id>  <pp-attributes xmlns="http://org/openroadm/network/topology"></pp-attributes>
+   <tp-type xmlns="http://org/openroadm/network/topology">SRG-TX-PP</tp-type>               </termination-point>
+</node>
+<node>        <node-id>XPONDER-5-2</node-id>
+    <supporting-node><network-ref>Transport-underlay</network-ref><node-ref>XPONDER-5-2</node-ref>    </supporting-node>
+    <node-type xmlns="http://org/openroadm/network/topology">XPONDER</node-type>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW1-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-1</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-1</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW1</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW2-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-2</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-2</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW2</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW3-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-3</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-3</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW3</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW4-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-4</tail-equipment-id></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-4</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW4</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-RX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-RX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>XPDR-NW5-TX</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-NETWORK</tp-type>
+        <xpdr-network-attributes xmlns="http://org/openroadm/network/topology">
+        <tail-equipment-id>Client-5</tail-equipment-id><wavelength> <index>2</index> </wavelength></xpdr-network-attributes>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5-TX</tail-equipment-id>        </xpdr-client-attributes></termination-point>
+<termination-point xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <tp-id>Client-5</tp-id>        <tp-type xmlns="http://org/openroadm/network/topology">XPONDER-CLIENT</tp-type>
+        <xpdr-client-attributes xmlns="http://org/openroadm/network/topology">        <tail-equipment-id>XPDR-NW5</tail-equipment-id>        </xpdr-client-attributes> </termination-point>
+</node>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG1-DEG1-CTP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG2-DEG2-CTP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-1-DEG3-DEG3-CTP-TXtoOpenROADM-1-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-CP-TXtoOpenROADM-1-1-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-1XPDR-NW1-TX-toOpenROADM-1-1-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-1-1</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-PP1-TX-to-XPONDER-1-1XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-SRG1-SRG1-PP1-TX-to-XPONDER-1-1XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-1-1</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-1XPDR-NW1-TX-toOpenROADM-1-1-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-1XPDR-NW2-TX-toOpenROADM-1-1-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-1-1</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-PP2-TX-to-XPONDER-1-1XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-SRG1-SRG1-PP2-TX-to-XPONDER-1-1XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-1-1</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-1XPDR-NW2-TX-toOpenROADM-1-1-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-1XPDR-NW3-TX-toOpenROADM-1-1-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-1-1</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-PP3-TX-to-XPONDER-1-1XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-SRG1-SRG1-PP3-TX-to-XPONDER-1-1XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-1-1</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-1XPDR-NW3-TX-toOpenROADM-1-1-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-1XPDR-NW4-TX-toOpenROADM-1-1-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-1-1</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-PP4-TX-to-XPONDER-1-1XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-SRG1-SRG1-PP4-TX-to-XPONDER-1-1XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-1-1</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-1XPDR-NW4-TX-toOpenROADM-1-1-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-1XPDR-NW5-TX-toOpenROADM-1-1-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-1-1</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-1-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-SRG1-SRG1-PP5-TX-to-XPONDER-1-1XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-1-SRG1-SRG1-PP5-TX-to-XPONDER-1-1XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-1-1-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-1-1</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-1XPDR-NW5-TX-toOpenROADM-1-1-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG1-DEG1-CTP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-1-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG2-DEG2-CTP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-1-2-DEG3-DEG3-CTP-TXtoOpenROADM-1-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-1-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-CP-TXtoOpenROADM-1-2-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-2XPDR-NW1-TX-toOpenROADM-1-2-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-1-2</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-PP1-TX-to-XPONDER-1-2XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-SRG1-SRG1-PP1-TX-to-XPONDER-1-2XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-1-2</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-2XPDR-NW1-TX-toOpenROADM-1-2-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-2XPDR-NW2-TX-toOpenROADM-1-2-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-1-2</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-PP2-TX-to-XPONDER-1-2XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-SRG1-SRG1-PP2-TX-to-XPONDER-1-2XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-1-2</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-2XPDR-NW2-TX-toOpenROADM-1-2-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-2XPDR-NW3-TX-toOpenROADM-1-2-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-1-2</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-PP3-TX-to-XPONDER-1-2XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-SRG1-SRG1-PP3-TX-to-XPONDER-1-2XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-1-2</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-2XPDR-NW3-TX-toOpenROADM-1-2-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-2XPDR-NW4-TX-toOpenROADM-1-2-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-1-2</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-PP4-TX-to-XPONDER-1-2XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-SRG1-SRG1-PP4-TX-to-XPONDER-1-2XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-1-2</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-2XPDR-NW4-TX-toOpenROADM-1-2-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-1-2XPDR-NW5-TX-toOpenROADM-1-2-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-1-2</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-1-2-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-SRG1-SRG1-PP5-TX-to-XPONDER-1-2XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-1-2-SRG1-SRG1-PP5-TX-to-XPONDER-1-2XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-1-2-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-1-2</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-1-2XPDR-NW5-TX-toOpenROADM-1-2-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-1-DEG1-to-OpenROADM-1-2-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG1-to-OpenROADM-1-1-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-1-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-2-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-2-DEG1-to-OpenROADM-1-1-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG1-to-OpenROADM-1-2-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-2-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-1-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-2-DEG2-to-OpenROADM-1-1-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG2-to-OpenROADM-1-2-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-2-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-1-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-1-DEG2-to-OpenROADM-1-2-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG2-to-OpenROADM-1-1-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-1-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-2-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG1-DEG1-CTP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG2-DEG2-CTP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-1-DEG3-DEG3-CTP-TXtoOpenROADM-2-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-CP-TXtoOpenROADM-2-1-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-1XPDR-NW1-TX-toOpenROADM-2-1-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-2-1</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-PP1-TX-to-XPONDER-2-1XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-SRG1-SRG1-PP1-TX-to-XPONDER-2-1XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-2-1</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-1XPDR-NW1-TX-toOpenROADM-2-1-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-1XPDR-NW2-TX-toOpenROADM-2-1-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-2-1</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-PP2-TX-to-XPONDER-2-1XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-SRG1-SRG1-PP2-TX-to-XPONDER-2-1XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-2-1</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-1XPDR-NW2-TX-toOpenROADM-2-1-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-1XPDR-NW3-TX-toOpenROADM-2-1-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-2-1</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-PP3-TX-to-XPONDER-2-1XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-SRG1-SRG1-PP3-TX-to-XPONDER-2-1XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-2-1</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-1XPDR-NW3-TX-toOpenROADM-2-1-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-1XPDR-NW4-TX-toOpenROADM-2-1-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-2-1</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-PP4-TX-to-XPONDER-2-1XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-SRG1-SRG1-PP4-TX-to-XPONDER-2-1XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-2-1</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-1XPDR-NW4-TX-toOpenROADM-2-1-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-1XPDR-NW5-TX-toOpenROADM-2-1-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-2-1</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-1-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-SRG1-SRG1-PP5-TX-to-XPONDER-2-1XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-1-SRG1-SRG1-PP5-TX-to-XPONDER-2-1XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-2-1-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-2-1</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-1XPDR-NW5-TX-toOpenROADM-2-1-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG1-DEG1-CTP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-2-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG2-DEG2-CTP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-2-2-DEG3-DEG3-CTP-TXtoOpenROADM-2-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-2-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-CP-TXtoOpenROADM-2-2-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-2XPDR-NW1-TX-toOpenROADM-2-2-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-2-2</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-PP1-TX-to-XPONDER-2-2XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-SRG1-SRG1-PP1-TX-to-XPONDER-2-2XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-2-2</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-2XPDR-NW1-TX-toOpenROADM-2-2-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-2XPDR-NW2-TX-toOpenROADM-2-2-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-2-2</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-PP2-TX-to-XPONDER-2-2XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-SRG1-SRG1-PP2-TX-to-XPONDER-2-2XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-2-2</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-2XPDR-NW2-TX-toOpenROADM-2-2-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-2XPDR-NW3-TX-toOpenROADM-2-2-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-2-2</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-PP3-TX-to-XPONDER-2-2XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-SRG1-SRG1-PP3-TX-to-XPONDER-2-2XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-2-2</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-2XPDR-NW3-TX-toOpenROADM-2-2-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-2XPDR-NW4-TX-toOpenROADM-2-2-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-2-2</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-PP4-TX-to-XPONDER-2-2XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-SRG1-SRG1-PP4-TX-to-XPONDER-2-2XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-2-2</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-2XPDR-NW4-TX-toOpenROADM-2-2-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-2-2XPDR-NW5-TX-toOpenROADM-2-2-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-2-2</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-2-2-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-SRG1-SRG1-PP5-TX-to-XPONDER-2-2XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-2-2-SRG1-SRG1-PP5-TX-to-XPONDER-2-2XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-2-2-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-2-2</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-2-2XPDR-NW5-TX-toOpenROADM-2-2-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-1-DEG1-to-OpenROADM-2-2-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG1-to-OpenROADM-2-1-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-1-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-2-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-2-DEG1-to-OpenROADM-2-1-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG1-to-OpenROADM-2-2-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-2-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-1-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-2-DEG2-to-OpenROADM-2-1-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG2-to-OpenROADM-2-2-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-2-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-1-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-1-DEG2-to-OpenROADM-2-2-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG2-to-OpenROADM-2-1-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-1-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-2-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG1-DEG1-CTP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG2-DEG2-CTP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-1-DEG3-DEG3-CTP-TXtoOpenROADM-3-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-CP-TXtoOpenROADM-3-1-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-1XPDR-NW1-TX-toOpenROADM-3-1-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-3-1</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-PP1-TX-to-XPONDER-3-1XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-SRG1-SRG1-PP1-TX-to-XPONDER-3-1XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-3-1</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-1XPDR-NW1-TX-toOpenROADM-3-1-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-1XPDR-NW2-TX-toOpenROADM-3-1-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-3-1</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-PP2-TX-to-XPONDER-3-1XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-SRG1-SRG1-PP2-TX-to-XPONDER-3-1XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-3-1</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-1XPDR-NW2-TX-toOpenROADM-3-1-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-1XPDR-NW3-TX-toOpenROADM-3-1-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-3-1</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-PP3-TX-to-XPONDER-3-1XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-SRG1-SRG1-PP3-TX-to-XPONDER-3-1XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-3-1</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-1XPDR-NW3-TX-toOpenROADM-3-1-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-1XPDR-NW4-TX-toOpenROADM-3-1-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-3-1</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-PP4-TX-to-XPONDER-3-1XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-SRG1-SRG1-PP4-TX-to-XPONDER-3-1XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-3-1</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-1XPDR-NW4-TX-toOpenROADM-3-1-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-1XPDR-NW5-TX-toOpenROADM-3-1-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-3-1</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-1-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-SRG1-SRG1-PP5-TX-to-XPONDER-3-1XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-1-SRG1-SRG1-PP5-TX-to-XPONDER-3-1XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-3-1-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-3-1</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-1XPDR-NW5-TX-toOpenROADM-3-1-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG1-DEG1-CTP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-3-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG2-DEG2-CTP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-3-2-DEG3-DEG3-CTP-TXtoOpenROADM-3-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-3-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-CP-TXtoOpenROADM-3-2-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-2XPDR-NW1-TX-toOpenROADM-3-2-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-3-2</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-PP1-TX-to-XPONDER-3-2XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-SRG1-SRG1-PP1-TX-to-XPONDER-3-2XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-3-2</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-2XPDR-NW1-TX-toOpenROADM-3-2-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-2XPDR-NW2-TX-toOpenROADM-3-2-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-3-2</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-PP2-TX-to-XPONDER-3-2XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-SRG1-SRG1-PP2-TX-to-XPONDER-3-2XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-3-2</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-2XPDR-NW2-TX-toOpenROADM-3-2-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-2XPDR-NW3-TX-toOpenROADM-3-2-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-3-2</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-PP3-TX-to-XPONDER-3-2XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-SRG1-SRG1-PP3-TX-to-XPONDER-3-2XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-3-2</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-2XPDR-NW3-TX-toOpenROADM-3-2-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-2XPDR-NW4-TX-toOpenROADM-3-2-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-3-2</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-PP4-TX-to-XPONDER-3-2XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-SRG1-SRG1-PP4-TX-to-XPONDER-3-2XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-3-2</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-2XPDR-NW4-TX-toOpenROADM-3-2-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-3-2XPDR-NW5-TX-toOpenROADM-3-2-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-3-2</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-3-2-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-SRG1-SRG1-PP5-TX-to-XPONDER-3-2XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-3-2-SRG1-SRG1-PP5-TX-to-XPONDER-3-2XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-3-2-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-3-2</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-3-2XPDR-NW5-TX-toOpenROADM-3-2-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-1-DEG1-to-OpenROADM-3-2-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG1-to-OpenROADM-3-1-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-1-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-2-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-2-DEG1-to-OpenROADM-3-1-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG1-to-OpenROADM-3-2-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-2-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-1-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-2-DEG2-to-OpenROADM-3-1-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG2-to-OpenROADM-3-2-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-2-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-1-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-1-DEG2-to-OpenROADM-3-2-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG2-to-OpenROADM-3-1-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-1-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-2-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG1-DEG1-CTP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG2-DEG2-CTP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-1-DEG3-DEG3-CTP-TXtoOpenROADM-4-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-CP-TXtoOpenROADM-4-1-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-1XPDR-NW1-TX-toOpenROADM-4-1-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-4-1</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-PP1-TX-to-XPONDER-4-1XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-SRG1-SRG1-PP1-TX-to-XPONDER-4-1XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-4-1</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-1XPDR-NW1-TX-toOpenROADM-4-1-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-1XPDR-NW2-TX-toOpenROADM-4-1-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-4-1</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-PP2-TX-to-XPONDER-4-1XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-SRG1-SRG1-PP2-TX-to-XPONDER-4-1XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-4-1</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-1XPDR-NW2-TX-toOpenROADM-4-1-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-1XPDR-NW3-TX-toOpenROADM-4-1-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-4-1</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-PP3-TX-to-XPONDER-4-1XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-SRG1-SRG1-PP3-TX-to-XPONDER-4-1XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-4-1</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-1XPDR-NW3-TX-toOpenROADM-4-1-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-1XPDR-NW4-TX-toOpenROADM-4-1-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-4-1</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-PP4-TX-to-XPONDER-4-1XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-SRG1-SRG1-PP4-TX-to-XPONDER-4-1XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-4-1</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-1XPDR-NW4-TX-toOpenROADM-4-1-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-1XPDR-NW5-TX-toOpenROADM-4-1-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-4-1</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-1-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-SRG1-SRG1-PP5-TX-to-XPONDER-4-1XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-1-SRG1-SRG1-PP5-TX-to-XPONDER-4-1XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-4-1-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-4-1</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-1XPDR-NW5-TX-toOpenROADM-4-1-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG1-DEG1-CTP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-4-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG2-DEG2-CTP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-4-2-DEG3-DEG3-CTP-TXtoOpenROADM-4-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-4-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-CP-TXtoOpenROADM-4-2-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-2XPDR-NW1-TX-toOpenROADM-4-2-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-4-2</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-PP1-TX-to-XPONDER-4-2XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-SRG1-SRG1-PP1-TX-to-XPONDER-4-2XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-4-2</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-2XPDR-NW1-TX-toOpenROADM-4-2-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-2XPDR-NW2-TX-toOpenROADM-4-2-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-4-2</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-PP2-TX-to-XPONDER-4-2XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-SRG1-SRG1-PP2-TX-to-XPONDER-4-2XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-4-2</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-2XPDR-NW2-TX-toOpenROADM-4-2-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-2XPDR-NW3-TX-toOpenROADM-4-2-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-4-2</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-PP3-TX-to-XPONDER-4-2XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-SRG1-SRG1-PP3-TX-to-XPONDER-4-2XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-4-2</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-2XPDR-NW3-TX-toOpenROADM-4-2-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-2XPDR-NW4-TX-toOpenROADM-4-2-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-4-2</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-PP4-TX-to-XPONDER-4-2XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-SRG1-SRG1-PP4-TX-to-XPONDER-4-2XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-4-2</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-2XPDR-NW4-TX-toOpenROADM-4-2-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-4-2XPDR-NW5-TX-toOpenROADM-4-2-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-4-2</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-4-2-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-SRG1-SRG1-PP5-TX-to-XPONDER-4-2XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-4-2-SRG1-SRG1-PP5-TX-to-XPONDER-4-2XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-4-2-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-4-2</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-4-2XPDR-NW5-TX-toOpenROADM-4-2-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-1-DEG1-to-OpenROADM-4-2-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG1-to-OpenROADM-4-1-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-1-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-2-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-2-DEG1-to-OpenROADM-4-1-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG1-to-OpenROADM-4-2-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-2-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-1-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-2-DEG2-to-OpenROADM-4-1-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG2-to-OpenROADM-4-2-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-2-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-1-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-1-DEG2-to-OpenROADM-4-2-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG2-to-OpenROADM-4-1-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-1-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-2-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG1-DEG1-CTP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG2-DEG2-CTP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-1-DEG3-DEG3-CTP-TXtoOpenROADM-5-1-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-1-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-CP-TXtoOpenROADM-5-1-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-1XPDR-NW1-TX-toOpenROADM-5-1-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-5-1</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-PP1-TX-to-XPONDER-5-1XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-SRG1-SRG1-PP1-TX-to-XPONDER-5-1XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-5-1</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-1XPDR-NW1-TX-toOpenROADM-5-1-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-1XPDR-NW2-TX-toOpenROADM-5-1-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-5-1</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-PP2-TX-to-XPONDER-5-1XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-SRG1-SRG1-PP2-TX-to-XPONDER-5-1XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-5-1</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-1XPDR-NW2-TX-toOpenROADM-5-1-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-1XPDR-NW3-TX-toOpenROADM-5-1-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-5-1</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-PP3-TX-to-XPONDER-5-1XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-SRG1-SRG1-PP3-TX-to-XPONDER-5-1XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-5-1</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-1XPDR-NW3-TX-toOpenROADM-5-1-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-1XPDR-NW4-TX-toOpenROADM-5-1-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-5-1</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-PP4-TX-to-XPONDER-5-1XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-SRG1-SRG1-PP4-TX-to-XPONDER-5-1XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-5-1</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-1XPDR-NW4-TX-toOpenROADM-5-1-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-1XPDR-NW5-TX-toOpenROADM-5-1-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-5-1</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-1-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-SRG1-SRG1-PP5-TX-to-XPONDER-5-1XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-1-SRG1-SRG1-PP5-TX-to-XPONDER-5-1XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-5-1-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-5-1</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-1XPDR-NW5-TX-toOpenROADM-5-1-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-DEG1</source-node><source-tp>DEG1-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-DEG2</source-node><source-tp>DEG2-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-DEG1-DEG1-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG1</dest-node><dest-tp>DEG1-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG1-DEG1-CTP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-DEG2-DEG2-CTP-RX</link-id>
+        <source><source-node>OpenROADM-5-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-DEG2</dest-node><dest-tp>DEG2-CTP-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG2-DEG2-CTP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">EXPRESS-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-CP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-DEG3</dest-node><dest-tp>DEG3-CTP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">ADD-LINK</link-type></link>
+        <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">            <link-id>OpenROADM-5-2-DEG3-DEG3-CTP-TXtoOpenROADM-5-2-SRG1-SRG1-CP-RX</link-id>
+            <source><source-node>OpenROADM-5-2-DEG3</source-node><source-tp>DEG3-CTP-TX</source-tp></source>            <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-CP-RX</dest-tp></destination>
+            <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-CP-TXtoOpenROADM-5-2-DEG3-DEG3-CTP-RX</opposite-link>
+            <link-type xmlns="http://org/openroadm/network/topology">DROP-LINK</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-2XPDR-NW1-TX-toOpenROADM-5-2-SRG1-SRG1-PP1-RX</link-id>
+        <source><source-node>XPONDER-5-2</source-node><source-tp>XPDR-NW1-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-PP1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-PP1-TX-to-XPONDER-5-2XPDR-NW1-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-SRG1-SRG1-PP1-TX-to-XPONDER-5-2XPDR-NW1-RX</link-id>
+        <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-PP1-TX</source-tp></source>        <destination><dest-node>XPONDER-5-2</dest-node><dest-tp>XPDR-NW1-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-2XPDR-NW1-TX-toOpenROADM-5-2-SRG1-SRG1-PP1-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-2XPDR-NW2-TX-toOpenROADM-5-2-SRG1-SRG1-PP2-RX</link-id>
+        <source><source-node>XPONDER-5-2</source-node><source-tp>XPDR-NW2-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-PP2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-PP2-TX-to-XPONDER-5-2XPDR-NW2-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-SRG1-SRG1-PP2-TX-to-XPONDER-5-2XPDR-NW2-RX</link-id>
+        <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-PP2-TX</source-tp></source>        <destination><dest-node>XPONDER-5-2</dest-node><dest-tp>XPDR-NW2-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-2XPDR-NW2-TX-toOpenROADM-5-2-SRG1-SRG1-PP2-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-2XPDR-NW3-TX-toOpenROADM-5-2-SRG1-SRG1-PP3-RX</link-id>
+        <source><source-node>XPONDER-5-2</source-node><source-tp>XPDR-NW3-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-PP3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-PP3-TX-to-XPONDER-5-2XPDR-NW3-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-SRG1-SRG1-PP3-TX-to-XPONDER-5-2XPDR-NW3-RX</link-id>
+        <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-PP3-TX</source-tp></source>        <destination><dest-node>XPONDER-5-2</dest-node><dest-tp>XPDR-NW3-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-2XPDR-NW3-TX-toOpenROADM-5-2-SRG1-SRG1-PP3-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-2XPDR-NW4-TX-toOpenROADM-5-2-SRG1-SRG1-PP4-RX</link-id>
+        <source><source-node>XPONDER-5-2</source-node><source-tp>XPDR-NW4-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-PP4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-PP4-TX-to-XPONDER-5-2XPDR-NW4-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-SRG1-SRG1-PP4-TX-to-XPONDER-5-2XPDR-NW4-RX</link-id>
+        <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-PP4-TX</source-tp></source>        <destination><dest-node>XPONDER-5-2</dest-node><dest-tp>XPDR-NW4-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-2XPDR-NW4-TX-toOpenROADM-5-2-SRG1-SRG1-PP4-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>XPONDER-5-2XPDR-NW5-TX-toOpenROADM-5-2-SRG1-SRG1-PP5-RX</link-id>
+        <source><source-node>XPONDER-5-2</source-node><source-tp>XPDR-NW5-TX</source-tp></source>        <destination><dest-node>OpenROADM-5-2-SRG1</dest-node><dest-tp>SRG1-PP5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-SRG1-SRG1-PP5-TX-to-XPONDER-5-2XPDR-NW5-RX</opposite-link>
+        <link-type xmlns="http://org/openroadm/network/topology">XPONDER-OUTPUT</link-type></link>
+    <link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">        <link-id>OpenROADM-5-2-SRG1-SRG1-PP5-TX-to-XPONDER-5-2XPDR-NW5-RX</link-id>
+        <source><source-node>OpenROADM-5-2-SRG1</source-node><source-tp>SRG1-PP5-TX</source-tp></source>        <destination><dest-node>XPONDER-5-2</dest-node><dest-tp>XPDR-NW5-RX</dest-tp></destination>
+        <opposite-link xmlns="http://org/openroadm/opposite/links">XPONDER-5-2XPDR-NW5-TX-toOpenROADM-5-2-SRG1-SRG1-PP5-RX</opposite-link>
+       <link-type xmlns="http://org/openroadm/network/topology">XPONDER-INPUT</link-type></link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-1-DEG1-to-OpenROADM-5-2-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG1-to-OpenROADM-5-1-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-1-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-2-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-2-DEG1-to-OpenROADM-5-1-DEG1</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG1-to-OpenROADM-5-2-DEG1</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-2-DEG1</source-node><source-tp>DEG1-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-1-DEG1</dest-node><dest-tp>DEG1-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-2-DEG2-to-OpenROADM-5-1-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG2-to-OpenROADM-5-2-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-2-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-1-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-1-DEG2-to-OpenROADM-5-2-DEG2</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG2-to-OpenROADM-5-1-DEG2</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-1-DEG2</source-node><source-tp>DEG2-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-2-DEG2</dest-node><dest-tp>DEG2-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-2-DEG3-to-OpenROADM-2-1-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-1-DEG3-to-OpenROADM-1-2-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-2-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-1-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-1-DEG3-to-OpenROADM-1-2-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-2-DEG3-to-OpenROADM-2-1-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-1-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-2-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-2-2-DEG3-to-OpenROADM-3-1-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-1-DEG3-to-OpenROADM-2-2-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-2-2-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-1-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-1-DEG3-to-OpenROADM-2-2-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-2-2-DEG3-to-OpenROADM-3-1-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-1-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-2-2-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-3-2-DEG3-to-OpenROADM-4-1-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-1-DEG3-to-OpenROADM-3-2-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-3-2-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-1-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-1-DEG3-to-OpenROADM-3-2-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-3-2-DEG3-to-OpenROADM-4-1-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-1-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-3-2-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-4-2-DEG3-to-OpenROADM-5-1-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-1-DEG3-to-OpenROADM-4-2-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-4-2-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-1-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-1-DEG3-to-OpenROADM-4-2-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-4-2-DEG3-to-OpenROADM-5-1-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-1-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-4-2-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-5-2-DEG3-to-OpenROADM-1-1-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-1-1-DEG3-to-OpenROADM-5-2-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-5-2-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-1-1-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+<link xmlns="urn:ietf:params:xml:ns:yang:ietf-network-topology">    <link-id>OpenROADM-1-1-DEG3-to-OpenROADM-5-2-DEG3</link-id>    <opposite-link xmlns="http://org/openroadm/opposite/links">OpenROADM-5-2-DEG3-to-OpenROADM-1-1-DEG3</opposite-link>
+    <link-latency xmlns="http://org/openroadm/network/topology">1</link-latency>
+    <link-type xmlns="http://org/openroadm/network/topology">ROADM-TO-ROADM</link-type>
+    <source><source-node>OpenROADM-1-1-DEG3</source-node><source-tp>DEG3-TTP-TX</source-tp></source>    <destination><dest-node>OpenROADM-5-2-DEG3</dest-node><dest-tp>DEG3-TTP-RX</dest-tp></destination>    </link>
+</network>