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1. Register the 3rd party SOTN Controller to ESR.
2. ESR trigger a 3rd Controller registered event to Dmaap.
3. SDNC subscribe the event and this event notified .
4. SDNC synchronize the topology from 3rd SOTN controller.
5. SDNC analyse the data from 3rd SDN controller.  Get the nodes, links, terminal points of the topology.
6. SDNC call A&AI to create the nodes, links terminal points to save the topology.
      Note: For multi 3rd SDN controllers, there will be several topologies notified.  The links across the domain topology should be discovered or created by ONAP. 

Sample Requests

ESR Request

This is a sample ESR request used for the 3rd party SOTN controller addition.

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