The Shifting ROI of SD-WAN
When the networking world first started talking about SD-WAN as it is today, many were interested only because of the potential cost savings. SD-WAN was a great way, in a world moving towards cloud, to justify the transition away from MPLS and save money along the way. As the space matures, the real value is in the automation and in the simplicity of centralized configuration. To understand the rise in interest we need to look at the nature of SD-WAN and the problems it is designed to solve.