nk state approac o In the dv approach, each router discovers the network topology through the distance vectors received from its neighbors. o In the ls approach each router discovers the network topology through link state advertisements (LSAS) n Each router is responsible for discovering its neighbors and the states of the links between them, and informs other routers a Upon receiving all the link states, a router can form a local view of the entire networkLink state approach 2  In the DV approach, each router discovers the network topology through the distance vectors received from its neighbors.  In the LS approach, each router discovers the network topology through link state advertisements (LSAs).  Each router is responsible for discovering its neighbors and the states of the links between them, and informs other routers.  Upon receiving all the link states, a router can form a local view of the entire network