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[routing-wg]a (perhaps) naive question...
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Paul Francis
francis at cs.cornell.edu
Wed Sep 24 21:15:33 CEST 2008
I was wondering the other day why we don't do aggregating in BGP along the lines of registry assignments. For instance, what stops the set of ISPs within Europe from from taking the 15 or 20 prefixes given to RIPE by IANA, and collectively aggregating those prefixes when advertising to non-RIPE ISPs? It seems to me that they could advertise all of their AS#'s as a huge AS-set for these prefixes. Is there a technical issue that prevents this, or does the organizational effort needed simply outweigh the benefit that would accrue? PF
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