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why not AS number based prefixes aggregation

Subject: why not AS number based prefixes aggregation
From: wyystar at gmail.com (yangyang. wang)
Date: Mon, 8 Sep 2008 21:20:38 +0800

Hi, everyone:

     For routing scalability issues, I have a question: why not deploy AS
number based routing scheme?  BGP is path vector protocol and the shortest
paths are calculated based on traversed AS numbers. The prefixes in the same
AS almost have the same AS_PATH associated, and aggregating prefixes
according to AS will shrink BGP routing table significantly. I don't know
what comments the ISPs make on this kind of routing scheme.


-yang

Follow-Ups:
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  - From: rveloso at cs.ucla.edu (Ricardo Oliveira)

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