Re: [GLOBAL-V6] up a few thousand meters

[Gert Doering <gert@Space.Net>]

Hi,

On Tue, Feb 19, 2002 at 04:13:24PM -0800, Steve Deering wrote:
> At 11:51 AM +0100 2/12/02, Gert Doering wrote:
> >To answer the argument of "regional aggregation" brought forward by Steve
> >Deering: 
> 
> Are you referring to my "metro addressing" proposal which I floated many
> years ago (and about which I have mostly been keeping quiet, because of
> the hostile reactions it often elicits in some quarters)?

No (didn't actually see that proposal - I'm way behind in reading up
on ietf-drafts :( ), I was referring to a comment you made in one of the
mails in this discussion.  Didn't reply to that e-mail directly to avoid
increasing the number of parallel sub-threads.

> >how is that supposed to happen?  There is no regional hierarchy,
> >no central aggregation point per country or per continent.
> 
> Every proposed solution for renumbering/multihoming problems comes
> with some cost.  The cost of the metro scheme is indeed the need to
> impose some additional structure on the inter-ISP topology.  

Re-thinking this,  I could imagine regional hierarchical addressing
for "metro" areas - like "all/most long-distance ISPs providing 
out-of-town upstream internet doing the same proxy-aggregation".  Which
poses interesting problems on the way IP(v6) addresses are allocated
to make them regional-allocateable.

I still don't really see it happen for country-wide or continent-wide 
hierarchies, though...  too much cooperation required from competing
"tier-1" ISPs...

Gert Doering
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