nanog mailing list archives

Re: Cogent move without renumbering


From: Bill Woodcock <woody () pch net>
Date: Fri, 7 Oct 2005 13:55:45 -0700 (PDT)


      On Fri, 7 Oct 2005, William Allen Simpson wrote:
    > I remember presenting a paper at IETF over a decade ago about assigning
    > IP addresses to exchanges instead of carriers.

Yes, that's been debunked many times over at this point.  Still, it occurs 
to someone new, periodically.  The problem is that the ISPs which matter 
are at more than one IX, so it results in massively fragmented routing, 
completely defeating aggregation.  The cure is worse than the disease.

                                -Bill


Current thread: