Introduction
Different protocols are in use to ensure end-to-end delivery of data packets between networks. These protocols use different types of metrics in determining the best path to take in delivering a packet to a destination network. The use of routers in internetwork communication necessitates ensuring that the routers have the required information to determine the paths to a destination network. Some of the information needed by a router to route packets between networks include the destination address, the routers connected to it, the possible routes to other networks and the best route to networks. A router determines information about other routers especially the ...