Border Gateway Protocol
Protocol for communicating routing information on the Internet / From Wikipedia, the free encyclopedia
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"BGP" redirects here. For other uses, see BGP (disambiguation).
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet.[2] BGP is classified as a path-vector routing protocol,[3] and it makes routing decisions based on paths, network policies, or rule-sets configured by a network administrator.
Quick Facts Abbreviation, Purpose ...
Communication protocol | |
Abbreviation | BGP |
---|---|
Purpose | exchange Internet Protocol routing information |
Introduction | June 1, 1989; 34 years ago (1989-06-01)[1] |
Based on | EGP |
OSI layer | Application layer |
Port(s) | tcp/179 |
RFC(s) | § Standards documents |
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BGP used for routing within an autonomous system is called Interior Border Gateway Protocol (IBGP). In contrast, the Internet application of the protocol is called Exterior Border Gateway Protocol (EBGP).