The Greek philosopher Heraclitus is credited with coining the adage “change is the only constant in life” – a saying that certainly applies to enterprises in 2019. With change as a given, it’s crucial for businesses to be agile and flexible in order to keep up.
Employing software-defined wide-area network (SD-WAN) technology is one way to promote business agility. SD-WANs abstract the network control layer from the underlying forwarding plane and physical transport. Users can employ most any wide-area network service – leased lines, MPLS, broadband wireless, Internet – and still apply policy-based control and other SD-WAN features.