Cogent move without renumbering

Fri Oct 7 20:55:45 UTC 2005

      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