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WAN optimization is a phrase used to describe applications and products used to manage and accelerate the flow of data across a wide-area network (WAN). Some specific technologies used in WAN optimization include the following:
The distinction between WAN optimization controllers (WOC) and traditional WAN accelerators lies in functionality. Like the traditional accelerator appliance, the WOC offers compression and disk caching. However, the WOC further optimizes the WAN link by accounting for known problems with common network protocols.