Another pure-play SD-WAN provider, Viptela has an advanced SD-WAN DIY solution. The Secure Extensible Network Solution provides advanced SD-WAN capabilities including service chaining and network insertion. The solution consists of vManage for configuration and network management, vSmart Controllers for the intelligence behind the SD-WAN, and the vEdge Routers providing the connectivity into the SD-WAN. vEdge Routers come as hardware and virtual appliances. They can sit behind existing router or replace routers in new installations.