Updated: 04/26/2017 by Computer Hope

open shortest path firstShort for Open Shortest Path First, OSPF is an IP link-state network routing protocol that helps determine the most efficient path to the next hop in a network. OSPF was first proposed in 1989 in RFC 1131, OSPF version 2 was later proposed in RFC 2178, and finally, OSPF version 3 or OSPFv3 (used with IPv6) was proposed in RFC 2740.

IGP, Network terms, RIP