ALSO CALLED: Border Gateway Protocol and Gateway Protocols DEFINITION: BGP (Border Gateway Protocol) is a protocol for exchanging routing information between gatewayhosts (each with its own router) in a network of autonomous systems. BGP is often the protocol used between gateway hosts on the Internet.
… Definition continues below.
BGP DEFINITION (continued): … The routing table contains a list of known routers, the addresses they can reach, and a cost metric associated with the path to each router so that the best available route is chosen.
Hosts using BGP communicate using the Transmission Control Protocol (TCP) and send updated router table information only when one host has detected a change. Only the affected part of the routing table is sent. BGP-4, the latest version, lets adminstrators configure cost metrics based … BGP definition sponsored by SearchTelecom.com, powered by WhatIs.com an online computer dictionary
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