+ </filter>"""
+
+FILTER_IPV6 = """<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>ipv6-address</filter-type>
+ <ipv6-address-filter>
+ <ipv6-address>{ipv6}</ipv6-address>
+ </ipv6-address-filter>
+ </filter>"""
+
+FILTER_RANGE_NUMBER = """<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>range-number</filter-type>
+ <range-number-filter>
+ <min-number-value>{min}</min-number-value>
+ <max-number-value>{max}</max-number-value>
+ </range-number-filter>
+ </filter>"""
+
+FILTER_RANGE_STRING = """<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>range-string</filter-type>
+ <range-string-filter>
+ <min-string-value>{min}</min-string-value>
+ <max-string-value>{max}</max-string-value>
+ </range-string-filter>
+ </filter>"""
+
+FILTER_SPECIFIC_NUMBER = """<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>specific-number</filter-type>
+ <specific-number-filter>
+ <specific-number>{number}</specific-number>
+ </specific-number-filter>
+ </filter>"""
+
+FILTER_SPECIFIC_STRING = """<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>specific-string</filter-type>
+ <specific-string-filter>
+ <specific-string>{string}</specific-string>
+ </specific-string-filter>
+ </filter>"""
+
+LINK_COMPUTATION_INSIDE = """<link-computation xmlns="urn:opendaylight:topology:link:computation" xmlns:n="urn:opendaylight:topology:correlation">
+ <output-model>{output-model}</output-model>
+ <node-info>
+ <node-topology>topo:1</node-topology>
+ <input-model>{input-model}</input-model>
+ </node-info>
+ <link-info>
+ <link-topology>{underlay-topology-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ </link-computation>"""
+
+LINK_COMPUTATION = """<link-computation xmlns="urn:opendaylight:topology:link:computation" xmlns:n="urn:opendaylight:topology:correlation">
+ <output-model>{output-model}</output-model>
+ <node-info>
+ <node-topology>topo:1</node-topology>
+ <input-model>{input-model}</input-model>
+ </node-info>
+ <link-info>
+ <link-topology>{underlay-topology-1-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ <link-info>
+ <link-topology>{underlay-topology-2-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ </link-computation>"""
+
+NODE_ISIS = """<node xmlns="urn:TBD:params:xml:ns:yang:network-topology"
+ xmlns:igp="urn:TBD:params:xml:ns:yang:nt:l3-unicast-igp-topology"
+ xmlns:isis="urn:TBD:params:xml:ns:yang:network:isis-topology"
+ xmlns:ovsdb="urn:opendaylight:params:xml:ns:yang:ovsdb">
+ <node-id>{node-id}</node-id>
+ <ovsdb:ovs-version>{ovs-version}</ovsdb:ovs-version>
+ <igp:igp-node-attributes>
+ <isis:isis-node-attributes>
+ <isis:ted>
+ <isis:te-router-id-ipv4>{router-id-ipv4}</isis:te-router-id-ipv4>
+ </isis:ted>
+ </isis:isis-node-attributes>
+ </igp:igp-node-attributes>
+ </node>"""
+
+NODE_OPENFLOW = """<node xmlns="urn:opendaylight:inventory" xmlns:flov-inv="urn:opendaylight:flow:inventory">
+ <id>{node-id}</id>
+ <flov-inv:ip-address>{ip-address}</flov-inv:ip-address>
+ <flov-inv:serial-number>{serial-number}</flov-inv:serial-number>
+ </node>"""
+
+TERMINATION_POINT_OVSDB = """<termination-point xmlns="urn:TBD:params:xml:ns:yang:network-topology"
+ xmlns:ovsdb="urn:opendaylight:params:xml:ns:yang:ovsdb">
+ <tp-id>{tp-id}</tp-id>
+ <ovsdb:ofport>{ofport}</ovsdb:ofport>
+ </termination-point>"""
+
+NODE_CONNECTOR_OPENFLOW = """<node-connector xmlns="urn:opendaylight:inventory" xmlns:flov-inv="urn:opendaylight:flow:inventory">
+ <id>{nc-id}</id>
+ <flov-inv:port-number>{port-number}</flov-inv:port-number>
+ </node-connector>"""
+
+LINK = """<link xmlns="urn:TBD:params:xml:ns:yang:network-topology"
+ xmlns:igp="urn:TBD:params:xml:ns:yang:nt:l3-unicast-igp-topology"
+ xmlns:isis="urn:TBD:params:xml:ns:yang:network:isis-topology"
+ xmlns:ovsdb="urn:opendaylight:params:xml:ns:yang:ovsdb">
+ <link-id>{link-id}</link-id>
+ <source>
+ <source-node>{source-node}</source-node>
+ </source>
+ <destination>
+ <dest-node>{dest-node}</dest-node>
+ </destination>
+ <igp:igp-link-attributes>
+ <igp:name>{name}</igp:name>
+ <igp:metric>{metric}</igp:metric>
+ </igp:igp-link-attributes>
+ </link>"""