IGP

There are two commonly used IGPs: the Routing Information Protocol (RIP) and the Open Shortest Path First (OSPF) protocol.

Also see the Exterior Gateway Protocol (EGP).

Read more about IGP: - Bay Networks' comprehensive overview of the Internet Protocol (IP) includes a description of RIP and OSPF. - Cisco provides an illustrated paper about the Open Shortest Path First (OSPF) protocol.

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