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Re: BGP AS Sets in the wild

  • From: Iljitsch van Beijnum
  • Date: Tue Aug 23 06:58:12 2005 
On 23-aug-2005, at 12:36, Abhishek Verma wrote:


I was looking at route-views.routeviews.org for the BGP routes and i
dont see any AS-Sets whatsoever. Are BGP routes with AS-SETs not
generally leaked into the wild?



Is this the case?



I guess they aren't.




I am under the impression that AS_SETs are generated whenever there
are some routes that are aggregated.




Yes, but aggregation in the BGP protocol is a relic from the BGP3-to-
BGP4 transition, AFAIK it's rarely used these days.