File:BGP_FSM.svg · Wikimedia Commons · See Wikimedia Commons
Border Gateway Protocol
Also known as BGP
protocol for communicating routing information on the Internet
Key facts
- Abbreviation
- BGP
- Purpose
- exchange Internet Protocol routing information
- Introduction
- June 1, 1989 ; 37 years ago ( 1989-06-01 )
- Based on
- EGP
- Osi layer
- Application layer
- Port s
- tcp/179
- Rfc s
- § Standards documents for BGP-4
via Wikipedia infobox
~40 min read
Article
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet. BGP is classified as a path-vector routing protocol, and it makes routing decisions based on paths, network policies, or rule-sets configured by a network administrator.
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).