The software-designed WAN (SD-WAN) is a specific application of Software-defined Networking (SDN) technology applied to WAN connections such as broadband internet, 4G, LTE, or MPLS. It connects enterprise networks – including branch offices and datacenters – over large geographic distances.

Traditional WANs utilize MPLS (multiprotocol label switching), which sends data from one node to another. This technology is heavily reliant on terrestrial connections and underlying hardware in order to route information from the corporate headquarters to the branch offices. Users have often encountered high latency when attempting to use company appliances within the network. Configurations are also difficult as individual changes would have to be applied, and the changes themselves were often based off of templates that may not push through and affect the branch accordingly. To know more: What is SD-WAN?


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Last-modified: 2019-06-20 (木) 21:28:33 (91d)