2.2 Software Defined Networking

Question 1

What are the 3 different functional planes of operation that networking devices have for software defined networking (SDN)?

Answer 1

1. Data plane
2. Control plane
3. Management plane

Question 2

Why is SDN perfectly built for the cloud?

Answer 2

Because it splits the network device functions into separate logical units (data, control, management)

Question 3

What does the infrastructure layer/data plane deal with?

Answer 3

Processing the network frames and packets (forwarding, encrypting, NAT, etc)

Question 4

What does the Control layer/control plane deal with?

Answer 4

manages actions of the data plane (routing tables, session tables, NAT tables, Dynamic routing protocol updates)

Question 5

What does the Application layer/Management plane deal with?

Answer 5

configure and manage the device (SSH, browser, API)