It tells you whether or not the link to the router is active. When the router first becomes operational, it transmits messages to the network and gathers data from routers with whom it is connected directly. In link-state routing, every router attempts to create its internal map of network infrastructure. Because the routing knowledge a router possesses of the network topology is dependent on the perspective of the routing table of the neighbour router, this approach is known as “routing by gossip.”A typical distance vector protocol which uses routing metrics or hops counts are RIP and IGRP. Based on updated information received from neighbouring routers, a router verifies all known routes as well as make modifications to its local routing table. Therefore, even if there are no changes in the network, routers using the distance vector routing protocol will provide frequent updates. On a regular basis, distance vector routing approaches broadcast parts of the routing table during their next neighbors. vector to any network in an internetwork. This method calculates the distance, i.e. A router does not need to know the complete route to each network segment in distance vector routing it just needs to understand the vector or direction in which to deliver the packet. The following article provides an outline for Distance Vector Routing vs Link State Routing. Difference Between Distance Vector Routing vs Link State Routing
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