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200-301 · Question #417

Which technology is appropriate for communication between an SDN controller and applications running over the network?

The correct answer is B. REST API. use nortbound (REST API) in communication between your applications and controller. use southbound (OpenFlow, OpFlex, RESTCONF, NETCONF) in communication between controller and network devices.

Submitted by diego_uy· Mar 5, 2026Automation and Programmability

Question

Which technology is appropriate for communication between an SDN controller and applications running over the network?

Options

  • AOpenFlow
  • BREST API
  • CNETCONF
  • DSouthbound API

How the community answered

(23 responses)
  • B
    91% (21)
  • C
    4% (1)
  • D
    4% (1)

Explanation

use nortbound (REST API) in communication between your applications and controller. use southbound (OpenFlow, OpFlex, RESTCONF, NETCONF) in communication between controller and network devices.

Topics

#SDN architecture#Northbound API#REST API

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