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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:
Introducing a Software-Defined WAN. The software-defined wide area network (SD-WAN) is a specific application of software-defined networking (SDN) technology applied to WAN connections, which are used to connect enterprise networks â including branch offices and data centers â over large geographic distances.