What Is SD-WAN (Software-Defined WAN)? Definition, Solutions, and Benefits
Software-defined WAN (SD-WAN) is a virtual wide area network (WAN) that relies on software technologies – like internet-based communication tunnels, software-driven network encryption, firewall software, etc. – to operate a mid-sized to large-scale computer network spread across locations. This article explains how SD-WAN works, its benefits, and the best SD-WAN solutions in the market. What…