Software-defined networking (SDN) is based on an approach that separates the control plane from the forwarding plane, with the purpose of managing multiple devices through the control plane. It’s a way to address some of the increasing complexity surrounding the network in the cloud era, improving agility and programmability with better visibility into network activity. There are five key elements that distinguish SDN from other types of networking: Abstraction of the control layerDesign … [Read more...]