September 2017
Intermediate to advanced
1018 pages
58h 25m
English
Content preview from Network Routing, 2nd Edition
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Chapter 9
BGP
All truths are easy to understand once they are discovered; the point is to discover them.
Galileo Galilei
Abstract
The Border Gateway Protocol (BGP) is an inter-domain routing protocol. It plays a critical role in making communication on the Internet work. It facilitates exchange of information about networks, defined by IP prefixes, between autonomous systems (ASes) so that one part of the Internet knows how to reach another part. In this chapter, we present a comprehensive view on BGP by covering topics such as its protocol messages, attributes, and the policy framework.
Keywords
BGP messages; AS confederation; BGP timers; eBGP and iBGP; BGP path attribute; BGP decision process and policy; route flap damping; BGP ...
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