IGP (Interior Gateway Protocol)
An IGP (Interior Gateway Protocol) is a protocol for exchanging routing information between gateways
within an autonomous network (for example, a system of corporate local area networks). The routing
information can then be used by the Internet Protocol (IP)
or other network protocols to specify how to route transmissions.
There are two commonly used IGPs: the Routing
Information Protocol (RIP) and the Open Shortest Path First (OSPF)
Also see the Exterior Gateway Protocol (EGP).
This was last updated in May 2007
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