1. Discuss the similarities of the goals for a traditional operating system to the goals for a network operating system.

2. Describer and differentiate between the centralized and distributed controller architectures. Identify the advantage(s) of each approach.

3. List the four major interfaces of the SDN controller. For each, discuss if an open-interface standard exists for the interface. If one does exist, identify the open standard used on the interface.

4. Identify and discuss three proposed core functions of the controller.

5. Consider the eastbound and westbound APIs. Identify;

when these interfaces are required

two functions of these interfaces

two challenges in the development of these interfaces

6. What is Representational State Transfer (REST)?

7. List and discuss three constraints of REST.