OpenFlow is a protocol used for communication between data plane and control plane separated by using SDN architecture. Basically, It is next-generation network technology that divides the network routing functions and the packet forwarding functions on OpenFlow protocol. OpenFlow Controller (OFC) that controls the communication paths and OpenFlow Switch (OFS) that controls the packet forwarding are the elements that constitute a network.
Specifications defined by OpenFlow protocol
Specifications defined by OpenFlow protocol
- OpenFlow Switch(OFS) controlled by OpenFlow Controller
- Packet header referenced by OpenFlow protocol.
- Flow Table
- Flow Processing
- Format of messages transferred between switch and controller
OpenFlow Overview:
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