Tag: routing protocol

BGP – Border Gateway Protocol

BGP is the Internet routing protocol. He is making the Internet work.

BGP protocol performs actions by maintaining IP networks table for the biggest network in the world – The Internet. The BGP protocol, as a code of behavior, supported core routing decisions over the Internet.  Instead of using traditional IGP (Interior Gateway Protocol) metrics, BGP protocol relies upon available path, network guidelines and rule-sets for routing decision making purposes. And just for this feature, it is sometimes expressed as a reachability protocol. The main idea behind the BGP creation was to replace the EGP (Exterior Gateway Protocol) to permit a complete decentralized routing. NSFNET backbone is the best example of a decentralized system.

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