Abstract: This paper advocate Why there is need of WAN optimization as well as How WAN network gets optimize by using diverse Technologies of different companies. This whole analysis will give a complete framework for setting up a WAN optimizer within the organization. As lot of research has been done to ameliorate the network utilization of WAN (Wide Area Network) and it has achieve substantial success over the LAN (Local Area Network) techniques.

Keywords: WAN, Chatty Protocol, Latency, Riverbed Steelhead Appliance, WOC.