In this video we will provide an introduction to BGP, its philosophy and operation at a very high level. We'll see concepts like the mechanics of Path vector protocols, BGP conceptual differences with IGP's and an introduction to the use of attributes for routing.

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Video Description

Is BGP needed?
Standard (RFC 4271)
Uses TCP as transport
Path Vector Protocol
Topological details are hidden within each AS. BGP only guarantees loop-free paths between autonomous systems.
Contrary to IGPs (that represent link characteristics on their metric), BGP exchanges the characteristics of the actual prefixes.
Attributes of the prefixes are used to make routing decisions. 
It's an easily extensible protocol



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