200-301 · Question #1071
Which communication interaction takes place when a southbound API is used?
The correct answer is B. between the SDN controller and switches and routers on the network. In SDN, the southbound interface is the OpenFlow (or alternative) protocol specification. Its main function is to enable communication between the SDN controller and the network nodes (both physical and virtual switches and routers) so that the router can discover network topolog
Question
Options
- Abetween the SDN controller and PCs on the network
- Bbetween the SDN controller and switches and routers on the network
- Cbetween the SDN controller and services and applications on the network
- Dbetween network applications and switches and routers on the network
How the community answered
(30 responses)- A3% (1)
- B93% (28)
- C3% (1)
Explanation
In SDN, the southbound interface is the OpenFlow (or alternative) protocol specification. Its main function is to enable communication between the SDN controller and the network nodes (both physical and virtual switches and routers) so that the router can discover network topology, define network flows and implement requests relayed to it via northbound APIs. The northbound interface describes the area of protocol-supported communication between the controller and applications or higher layer control programs.
Topics
Community Discussion
No community discussion yet for this question.