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Software-defined networking (SDN) is still a relatively new model used to design, build, and manage networks. Its expanding adoption within the market has many interested and some still wondering about SDN, so this software-defined networking tutorial aims to educate the SDx community on this exciting technology.
When learning about SDN, remember this one crucial differentiation: In SDNs, the network’s control and forwarding planes are separated, thus preparing the brains (or the control plane) and the muscle (the forwarding plane) for heightened optimization. Despite several options for SDN architectures, the most basic SDN method centralizes network control and moves the control logic to an off-device computer resource.
