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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Verio Peering Question
On Sun, Sep 30, 2001 at 01:10:00PM +0100, Stephen J. Wilcox wrote: > theres only 20000 AS's, and its the AS that is defined as having a single > routing policy not the prefixes. why cant internet routing be based on AS > announcements, yeah i know you need to rewrite everything but i couldnt > think of a better idea. :) Smaller isps tend to not have consistent route announcements to all their upstreams. one path gets prepended while the other gets a different set of prefixes advertized due to the routes being more 'regionally close' within their own network, or for other policy reasons. ie: prefix with 5m traffic gets adverted out a link where they want to use a fixed-price transit circuit instead of a burst-measured circuit that has a higher per-mb/s cost. -- Jared Mauch | pgp key available via finger from [email protected] clue++; | http://puck.nether.net/~jared/ My statements are only mine.
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