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CCDE Quick Reference by Mosaddaq Turabi, Russ White

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Chapter 5. BGP Theory and Operation

The Border Gateway Protocol Version 4 (BGPv4, or more simply, just BGP) is the only interdomain, or exterior gateway, routing protocol in wide use today. To understand BGP, we must start by understanding what BGP defines as a routing domain.

The definition of a routing domain, within BGP, is intentionally fuzzy. A domain may be as small as a single ...

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