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Link-state routing protocol
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==Overview== In link-state routing protocols, each router possesses information about the complete network topology. Each router then independently calculates the best next hop from it for every possible destination in the network using local information of the topology. The collection of best next hops forms the routing table. This contrasts with [[Distance-vector routing protocol|distance-vector routing protocols]], which work by having each node share its routing table with its neighbours. In a link-state protocol, the only information passed between the nodes is the information used to construct the connectivity maps.
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