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

[Steve Deering <deering@cisco.com>]

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)?

>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.  I believe
the topology will eventually, naturally evolve to one that is a good
match to metro addressing (basically, having topological density match
population density), but it's far from that state at the moment.  There
are, however,  some short-term things you could do with tunnels (i.e.,
virtual topology) to get the ball rolling...

Steve

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