Which type of API does contrail service orchestration provide when connecting with OSS and BSS applications?

You are responsible for optimizing a global MPLS WAN. You must determine the optimal MPLS forwarding paths and automate the provisioning of the forwarding paths into the network Which Juniper Networks SDN solution will satisfy the requirements?
Which protocol is used by the NorthStar Controller to discover existing tunnels in a service provider or large enterprise WAN?
What are two protocols used by NorthStar Controller to discover the network topology?(Choose two) **************
You are using service chains.
In this scenario, which component launches the NFV VM?