What is Router and Router Network ?
ROUTER : Router is the Foremost function of a network layer. Routing is defined as the decision made for establishing a path from Source to Destination. Routing Decisions are made by routing algorithm, Which are in numbers. Depends on the user to choose, one of them, which best suits his purpose. Every Router Must have It's Unique ID To send and Receive data from other Computer or Network. Create a Root from Source to Destination. For Example , Multiple Systems have Only One Printer then it must be necessary to do work on first come first serve basis. Fig. Router Working. Routing can be classified as follows : (1). Static Or Non-adaptive Routing : In this routing, the path from source to destination to decides and freezed. Every packet for the full session will have to follow this path Every Packet for the full session will have to follow this path. If some obstruction aries then packet will be hold up in the path bu