[157033] in North American Network Operators' Group
Re: IPv4 address length technical design
daemon@ATHENA.MIT.EDU (Cutler James R)
Wed Oct 3 19:10:37 2012
From: Cutler James R <james.cutler@consultant.com>
In-Reply-To: <506C9D3D.8090301@dcrocker.net>
Date: Wed, 3 Oct 2012 19:10:04 -0400
To: "nanog@nanog.org list" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Oct 3, 2012, at 4:17 PM, Dave Crocker <dhc2@dcrocker.net> wrote:
>>>> Is anyone aware of any historical documentation relating to the
>>>> choice of 32
>>> bits for an IPv4 address?
> ...
>> Actually that was preceded by RFC 760, which in turn was a derivative
>> of IEN 123. I believe the answer to the original question is
> ...
>=20
>=20
> My theory is that there is a meta-rule to make new address spaces have =
4
> times as many bits as the previous generation.
>=20
> We have three data points to establish this for the Internet, and =
that's
> the minimum needed to run a correlation: Arpanet, IPv4, IPv6...
>=20
> d/
Didn't work for DecNet Phase III, Decnet Phase IV, Decnet Phase V (8, =
16, 128).=