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The software-defined wide area network (SD-WAN) is a technology for configuring and implementing an enterprise WAN—based on software-defined networking (SDN)—to effectively route traffic to remote locations such as branch offices. SD-WAN technology derives significant flexibility and agility benefits from removing the burden of traffic management from physical devices and transferring it to software—the essence of SDN.
What is Pligg?

Pligg is an open source content management system that lets you easily create your own user-powered website.