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What Is

What is SDN?

Software-defined networking (SDN) is a software layer which allows administrators to control the network devices through a software interface instead of manual configuration of the hardware.

Network devices such as routers are separated into two planes. The control plane lists which route and physical interface connection should be used to forward the data packets.

The forwarding plane forwards the packets between incoming and outgoing connections, using data from the control plane.

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This article is from the CBROnline archive: some formatting and images may not be present.