Here are the questions for this paper; pick any one question, and post to the dropbox.

1. Software defined network (and in particular OpenFlow) advocates the use of logically centralized control of the network. What are the implications of logically centralized control? What are the upsides and downsides?
2. What are the performance costs or benefits associated with software defined networking?
3. SDN represents an approach where distributed systems and networking meet. Discuss what aspects of SDN correspond to distributed systems problems/issues and what other aspects of it correspond to networking problems/issues.