Routers are the networking devices which can connect multiple computer networks via wired or wireless connections. Network router can receive, analyze, perform the traffic directing functions and forwards data packet from one network to its destination node. A router is a device that forwards packets between networks by processing the routing information included in the packet.
Network routers have become sophisticated devices capable of many functions beyond routing. More customers are now deploying network routers that can deliver integrated services and multiple applications, like voice, video, data and Internet access, and wireless.