Source : Free On-Line Dictionary of Computing

Open Shortest-Path First Interior Gateway Protocol
     
         (OSPF) A {link state routing
        protocol} that is one of the {Internet} standard {Interior
        Gateway Protocols} defined in {RFC 1247}.
     
        There is no OSPF {EGP}, OSPF is an IGP only.
     
        [Relationship to {Internet Protocol} packet routing?]
     
        {OSPF Design Guide
        (http://www.cisco.com/warp/public/104/1.html)}.
     
        (2002-06-29)