[124691] in North American Network Operators' Group
Re: legacy /8
daemon@ATHENA.MIT.EDU (Dan White)
Sun Apr 4 02:37:01 2010
Date: Sun, 4 Apr 2010 01:34:47 -0500
From: Dan White <dwhite@olp.net>
To: Vadim Antonov <avg@kotovnik.com>
In-Reply-To: <Pine.LNX.4.44.1004032303560.3171-100000@gato.kotovnik.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 03/04/10 23:11 -0700, Vadim Antonov wrote:
>With all that bitching about IPv6 how come nobody wrote an RFC for a very
>simple solution to the IPv4 address exhaustion problem:
+1 years.
>Step 1: specify an IP option for extra "low order" bits of source &
>destination address. Add handling of these to the popular OSes.
+5 years.
>Step 2: make NATs which directly connect extended addresses but also NAT
>them to non-extended external IPs.
>
>Step 3: leave backones unchanged. Gradually reduce size of allocated
>blocks forcing people to NAT as above.
Never.
>Step 4: watch people migrating their apps to extended addresses to avoid
>dealing with NAT bogosity and resulting tech support calls & costs.
+10 years.
>Step 5: remove NATs.
This is a good example of why patching v4 or trying to maintain backwards
compatibility is not practical.
--
Dan White