shim6 @ NANOG

Owen DeLong owen at delong.com
Mon Mar 6 21:08:03 UTC 2006


--On March 6, 2006 12:46:51 PM +0100 Iljitsch van Beijnum
<iljitsch at muada.com> wrote:

> 
> On 6-mrt-2006, at 3:52, Roland Dobbins wrote:
> 
>> fixed geographic allocations (another nonstarter for reasons which  
>> have been elucidated previously)
> 
> What I hear is "any type of geography can't work because network
> topology != geography". That's like saying cars can't work because  they
> can't drive over water which covers 70% of the earth's surface.
> 
No, it's more like saying "Cars which can't operate off of freeways
won't work" because there are a lot of places freeways don't go.
Hmmm... Come to think of it, I haven't seen anyone selling a car
which won't operate off of a freeway.

> Early proposals for doing any geographic stuff were fatally flawed  but
> there is enough correlation between geography and topology to  allow for
> useful savings. Even if it's only at the continent level  that would
> allow for about an 80% reduction of routing tables in the  future when
> other continents reach the same level of multihoming as  North America
> and Europe.


I've got no opposition to issuing addresses based on some geotop. design,
simply because on the off chance it does provide useful aggregation, why
not.  OTOH, I haven't seen anyone propose geotop allocation as a policy
in the ARIN region (hint to those pushing for it).

Owen


-- 
If it wasn't crypto-signed, it probably didn't come from me.
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