Software-Defined WAN (SD-WAN)

Software-defined WAN (SD-WAN) is an approach to designing and deploying an enterprise wide area network (WAN) that uses software-defined networking (SDN) to determine the most effective way to route traffic to remote locations.

SD-WAN uses a software-based environment to monitor and manage all of your devices in one place making the task much more streamlined. All of your WAN information is added to a secured virtual overlay enabling automation, network control and on-the-fly traffic management over multiple data links. This structure allows the network administrator to remotely configure all routers and firewalls using a single controller. This dramatically saves time and eliminates the need to manually configure each router at all locations.

Most SD-WAN providers offers something called hybrid WAN. What that does is routes traffic over both private and public links. These include MPLS links, Dedicated circuits, broadband and wireless LTE. This allows administrators to reduce costs by sending low priority data over less expensive Internet paths while using dedicated circuits for more latency sensitive applications like VoIP. The versatile aspect of SD-WAN minimizes the need to over provision your WAN reducing costs even more.

SD-WAN is still relatively new. It has the potential to disrupt the industry by simplifying and improving overall connectivity between satellite offices, the corporate office and the cloud while saving money at the same time. Tierzero makes moving to SD-WAN simple and cost effective, and because our experienced engineers take all of the hassle and anxiety out of it; why wouldn’t you take advantage of it?

SD-WAN Overview


Traditional WAN


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