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Border Gateway Protocol

Protocol for communicating routing information on the Internet / From Wikipedia, the free encyclopedia

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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, Introduction, Based on...
Border Gateway Protocol
Communication protocol
BGP_FSM.svg
BGP state machine
AbbreviationBGP
Purposeexchange Internet Protocol routing information
IntroductionJune 1, 1989; 34 years ago (1989-06-01)[1]
Based onEGP
OSI layerApplication 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).

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