Although all networking of all types can benefit from SDN (Software Defined Network), one area ripe for adoption is the wide area network (WAN). SD-Wan, as software-defined WAN is called, can enable businesses to harness virtualization and reap the benefits. Some companies are pushing forward with SD-WAN technology and giving businesses an easy adoption path.

SD-WAN or SDWAN also know as the software-defined wide-area network is an application of software-defined networking (SDN) technology applied to WAN connections and It connects enterprise networks including branch offices and data centres also over large geographic distances. A key application of SD-WAN is to allow companies to build higher-performance WANs using lower-cost and commercially