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Routing TCP/IP, Volume 1, 2/e by Jennifer Carroll Jeff Doyle

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Chapter 8. OSPFv2

This chapter covers the following subjects:

Open Shortest Path First (OSPF) was developed by the Internet Engineering Task Force (IETF) as a replacement for the problematic RIP and is now the IETF-recommended Interior Gateway Protocol (IGP). OSPF is a link-state protocol that, as the name implies, uses Dijkstra’s Shortest Path First (SPF) algorithm and that is open—that is, it isn’t proprietary to any vendor or organization. OSPF has evolved through several RFCs, all of which were written by John Moy. Version 1 of the protocol was specified in RFC 1131; this version never progressed beyond the experimental stage. Version 2, which is still the current version for IPv4, was first ...

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