July 2004
Intermediate to advanced
448 pages
10h 7m
English
Content preview from Practical BGPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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BGP Cores
While a network using only interior gateway protocols for routing can grow to a very large size utilizing good design techniques such as well-conceived IP addressing and summarization plans, almost all networks become large enough that managing and scaling them using only an interior gateway protocol becomes difficult. If a network begins with a less than optimum design, the point where it can no longer be managed effectively becomes evident much more quickly.
In fact, splitting up a large, disorganized network managed by several different groups of administrators may be the best path to introducing better administrative control and scaling properties. Introducing structure and additional policy mechanisms enabled by BGP will typically ...
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