

Finally, each and every router receives a copy of the same information. Every router that receives the packet sends the copies to all its neighbors. Flooding: Each router sends the information to every other router on the internetwork except its neighbors.A router broadcast its identities and cost of the directly attached links to other routers. Knowledge about the neighborhood: Instead of sending its routing table, a router sends the information about its neighborhood only.The three keys to understand the Link State Routing algorithm: Link state routing is a technique in which each router shares the knowledge of its neighborhood with every other router in the internetwork.
