+ *
+ * <pre>
+ *
+ * Example:
+ *
+ * RequestURL:
+ * http://localhost:8080/controller/nb/v2/topology/default
+ *
+ * Response in XML:
+ * <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+ * <topology>
+ * <edgeProperties>
+ * <edge>
+ * <tailNodeConnector>
+ * <node>
+ * <id>00:00:00:00:00:00:00:02</id>
+ * <type>OF</type>
+ * </node>
+ * <id>2</id>
+ * <type>OF</type>
+ * </tailNodeConnector>
+ * <headNodeConnector>
+ * <node>
+ * <id>00:00:00:00:00:00:00:51</id>
+ * <type>OF</type>
+ * </node>
+ * <id>2</id>
+ * <type>OF</type>
+ * </headNodeConnector>
+ * </edge>
+ * <properties>
+ * <state>
+ * <value>1</value>
+ * </state>
+ * <config>
+ * <value>1</value>
+ * </config>
+ * <name>
+ * <value>C1_2-L2_2</value>
+ * </name>
+ * <timeStamp>
+ * <value>1377279422032</value>
+ * <name>creation</name>
+ * </timeStamp>
+ * </properties>
+ * </edgeProperties>
+ * <edgeProperties>
+ * <edge>
+ * <tailNodeConnector>
+ * <node>
+ * <id>00:00:00:00:00:00:00:51</id>
+ * <type>OF</type>
+ * </node>
+ * <id>2</id>
+ * <type>OF</type>
+ * </tailNodeConnector>
+ * <headNodeConnector>
+ * <node>
+ * <id>00:00:00:00:00:00:00:02</id>
+ * <type>OF</type>
+ * </node>
+ * <id>2</id>
+ * <type>OF</type>
+ * </headNodeConnector>
+ * </edge>
+ * <properties>
+ * <state>
+ * <value>1</value>
+ * </state>
+ * <name>
+ * <value>L2_2-C1_2</value>
+ * </name>
+ * <config>
+ * <value>1</value>
+ * </config>
+ * <timeStamp>
+ * <value>1377279423564</value>
+ * <name>creation</name>
+ * </timeStamp>
+ * </properties>
+ * </edgeProperties>
+ * </topology>
+ *
+ * Response in JSON:
+ * {"edgeProperties":[{"edge":{"tailNodeConnector":{"node":{"id":"00:00:00:00:00:00:00:02","type":"OF"},
+ * "id":"2","type":"OF"},"headNodeConnector":{"node":{"id":"00:00:00:00:00:00:00:51","type":"OF"},"id":
+ * "2","type":"OF"}},"properties":{"timeStamp":{"value":"1377278961017","name":"creation"}}},
+ * {"edge":{"tailNodeConnector":{"node":{"id":"00:00:00:00:00:00:00:51","type":"OF"},"id":
+ * "2","type":"OF"}},"headNodeConnector":{"node":{"id":"00:00:00:00:00:00:00:02","type":"OF"},
+ * "id":"2","type":"OF"}},"properties":{"timeStamp":{"value":"1377278961018","name":"creation"}}}]}
+ *
+ * </pre>