Open Shortest Path First (OSPF) protocol
a hierarchical interior gateway protocol (IGP) for routing in Internet Protocol, using a link-state in the individual areas that make up the hierarchy. A computation based on Dijkstra's algorithm is used to calculate the shortest path tree inside each area. The current version, Version 3, defined in RFC 2740 (OSPFv3 1999)[1], supports IPv6 as well as IPv4, has various internal enhancements, and..