[138517] in North American Network Operators' Group

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Re: estimation of number of DFZ IPv4 routes at peak in the future

daemon@ATHENA.MIT.EDU (Randy Bush)
Wed Mar 9 03:36:37 2011

Date: Wed, 09 Mar 2011 17:35:57 +0900
From: Randy Bush <randy@psg.com>
To: "George Bonser" <gbonser@seven.com>
In-Reply-To: <5A6D953473350C4B9995546AFE9939EE0BC13FD5@RWC-EX1.corp.seven.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

>> i am more of a pessimist.  i suspect that there will be enough
>> v4-only destinations out there that multi-homed enterprises fronting
>> onto dual-stack backbones will announce teenie bits of v4 so they can
>> nat64.
> that teenie bit better be part of a larger aggregate that can reach at
> least one of their runs home.

the last serious satainc phylters died in 2001.  sales&marketing
pressure.  when eyecandy.com is behind a /27, or your s&m folk
sell to weenie.foo who wants you to announce their /26, it will be
the end of the /24 barrier.

> v6 being where the growth is it will get priority.

we wish.  wanna start a pool on the growth of v6 announcements vs
new multi-homed v4 announcements?

randy


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