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Border Gateway Protocol (BGP) is the routing protocol for the Internet. Much like the post office processing mail, BGP picks the most efficient routes for delivering Internet traffic.
A BGP speaker sends 19-byte keep-alive messages every 30 seconds (protocol default value, tunable) to maintain the connection. Among routing protocols, BGP is unique in using TCP as its transport protocol. When BGP runs between two peers in the same autonomous system (AS), it is referred to as Internal BGP (iBGP or Interior Border Gateway ...
BGP routers use the stored information to route traffic optimally. The primary factor in path selection is the shortest path, as determined by the stored route graphs. When a destination is reachable from multiple paths, BGP selects the best one by sequentially evaluating other path attributes.
Jan 29, 2024 · BGP’s main function is to exchange network reachability information with other BGP systems. Border Gateway Protocol constructs an autonomous systems graph based on the information exchanged between BGP routers.
Learn what Border Gateway Protocol (BGP) is, how it works, and its characteristics. BGP takes into consideration all the different peering options a router has and chooses the one closest to where the router is.
BGP (Border Gateway Protocol) is the protocol that enables the global routing system of the internet. It manages how packets get routed from network to network by exchanging routing and reachability information among edge routers. BGP enables peering to send packets between autonomous systems ( ASes ), which are networks managed by a single ...
