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KUHELI L. HALDAR AND DHARMA P. AGRAWAL
© 2010 Taylor & Francis Group, LLC
visibility to the control plane, allowing it to have a comprehensive
view of the entire network. rough such decoupling, SDN provides a
platform for making advanced routing, security, and quality decisions
efficiently and easily.
e ree Key Capabilities of SDN
1. Capability to be programmed
2. Capability to manage the forwarding of frames/packets and
apply policy
3. Capability to perform the aforementioned two functions at a
large scale dynamically
e Components of SDN
Controller e controller is the main governing entity in the whole
SDN ecosystem. Network intelligence is centralized in the control-
ler, which maintains the holistic logical view of the entire networ ...