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Software-defined wide-area networking, or SD-WAN, is a flexible, enabling solution transmitting packets of data over various pathways based upon predetermined factors.
Traditionally, WAN connections were made via a single carrier such as AT&T, Verizon, or Comcast. SD-WAN begins to shine when two or more pathways or carriers are used, providing increased performance to traditional data centers and the cloud.
Traffic from voice and video conferencing is bandwidth-taxing, and SD-WAN solutions determine which route these IP packets should take based upon analysis of current traffic flows and frequent network testing. All traffic is routed by taking into account the predetermined priority of the application, the available bandwidth, and what other traffic is being sent.