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Link state

A type of routing protocol on a TCP/IP network. RFC 2328 states:

In a link-state routing protocol, each router maintains a database describing the Autonomous System's topology. This database is referred to as the link-state database. Each participating router has an identical database. Each individual piece of this database is a particular router's local state (e.g., the router's usable interfaces and reachable neighbors). The router distributes its local state throughout the Autonomous System by flooding.

Additional resources

Network World LANs and WANs Research Center.

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