Chapter 5, Problem R18RQ

Explanation of Solution

Purpose of service abstraction layer:

The service abstraction layers permits the internal network service applications to communicate with each other. It also allows the controller components and applications to invoke each other’s service and makes them to subscribe to the events they generate. It also provides a uniform abstract interface to the specific communications protocol available in the communication layer including OpenFlow and SNMP.

Open Flow Protocol:

It is the communication protocol which operates between an SDN controller and an SDN-controlled switch...