Stories About: SDN

SDN and SD-WAN: A Father & Son Story

SDN and SD-WAN: A Father & Son Story

By Richard Arneson SD-WAN (software-defined WAN) has been all the rage for a few years now, coming to the rescue of enterprises that had spent considerable chunks of their IT budgets on MPLS to connect offices scattered through the world. But it’s not to be confused with SDN (software-defined networking), which, even though they both…

How SD-WAN can enhance application performance

How SD-WAN can enhance application performance

By Richard Arneson Remember the days when a new software application meant downloads, licenses, and minimum RAM and processing power requirements? Or when applications resided in a corporate data center and were accessed over expensive, leased lines from service providers, only then to be handed off to the Internet? Expensive, inefficient, and prone to latency―not…

Is SD-WAN the same as WAN Optimization?

Is SD-WAN the same as WAN Optimization?

Aside from the list of positives you’ve likely heard about SD-WAN (and there are many), there’s one thing it isn’t―WAN Optimization. Many incorrectly use SD-WAN and WAN Optimization interchangeably. That isn’t to say SD-WAN doesn’t greatly optimize networks, just that it’s not technically WAN Optimization, which was introduced roughly fifteen (15) years ago when WAN…