[124587] in North American Network Operators' Group

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Re: legacy /8

daemon@ATHENA.MIT.EDU (Owen DeLong)
Fri Apr 2 18:13:53 2010

From: Owen DeLong <owen@delong.com>
In-Reply-To: <4BB65B39.8010902@mompl.net>
Date: Fri, 2 Apr 2010 15:13:16 -0700
To: Jeroen van Aart <jeroen@mompl.net>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Sigh... Guess you missed the last several go-arounds of

Running out of IPv4 will create some hardships. That cannot be avoided.

Even if we were to reclaim the supposed unused legacy /8s, we'd still
only extend the date of IPv4 runout by a few months.

The amount of effort required to reclaim those few IPv4 addresses would
vastly exceed the return on that effort. Far better for that effort to =
be
directed towards the addition of IPv6 capabilities to existing IPv4
deployments so as to minimize the impact of IPv4 exhaustion.

Owen

On Apr 2, 2010, at 2:01 PM, Jeroen van Aart wrote:

> I am curious. Once we're nearing exhausting all IPv4 space will there =
ever come a time to ask/demand/force returning all these legacy /8 =
allocations? I think I understand the difficulty in that, but then =
running out of IPs is also a difficult issue. :-)
>=20
> For some reason I sooner see all IPv4 space being exhausted than IPv6 =
being actually implemented globally.
>=20
> Greetings,
> Jeroen



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