What is Software Defined Networking
/ January 7, 2018

Today’s Internet applications require the underlying networks to be fast, carry large amounts of traffic, and to deploy a number of distinct, dynamic applications and services. Adoption of the concepts of “inter-connected data centers” and “server virtualization” has increased network demand tremendously. Software Defined Networking (SDN) is an idea which has recently reignited the interest of network researchers for programmable networks and shifted the attention of the networking community to this topic by promising to make the process of designing and managing networks more innovative and simplified compared to the well-established but inflexible current approaches. Definition of Software Defined Networking Software defined networking is not a technology, but an architecture that provides support for virtual machine mobility independent of the physical network. Software Defined Networking (SDN) is an emerging network architecture where network control is decoupled from forwarding and is directly programmable. This migration of control, formerly tightly bound in individual network devices, into accessible computing devices enables the underlying infrastructure to be abstracted for applications and network services, which can treat the network as a logical or virtual entity. The goal of Software Defined Networking (SDN) is to enable cloud and network engineers and administrators to respond quickly to changing…

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