[157022] in North American Network Operators' Group

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Re: IPv4 address length technical design

daemon@ATHENA.MIT.EDU (Dave Crocker)
Wed Oct 3 16:17:39 2012

Date: Wed, 03 Oct 2012 13:17:01 -0700
From: Dave Crocker <dhc2@dcrocker.net>
To: Tony Hain <alh-ietf@tndh.net>
In-Reply-To: <006b01cda19a$d650fdc0$82f2f940$@tndh.net>
Cc: nanog@nanog.org
Reply-To: dcrocker@bbiw.net
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


>>> 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
...


My theory is that there is a meta-rule to make new address spaces have 4
times as many bits as the previous generation.

We have three data points to establish this for the Internet, and that's
the minimum needed to run a correlation:  Arpanet, IPv4, IPv6...

d/

-- 
  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net


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