nanog mailing list archives
Re: IPv4 address length technical design
From: George Herbert <george.herbert () gmail com>
Date: Wed, 3 Oct 2012 12:27:46 -0700
On Wed, Oct 3, 2012 at 12:11 PM, Tony Hain <alh-ietf () tndh net> wrote:
Sadiq Saif [mailto:sadiq () asininetech com] wrote: On Wed, Oct 3, 2012 at 12:13 PM, Chris Campbell <chris () ctcampbell com> wrote:Is anyone aware of any historical documentation relating to the choice of 32bits for an IPv4 address?Cheers.I believe the relevant RFC is RFC 791 - https://tools.ietf.org/html/rfc791Actually that was preceded by RFC 760, which in turn was a derivative of IEN 123. I believe the answer to the original question is partially available on a series of pages starting at : http://www.networksorcery.com/enp/default1101.htm IEN 2 is likely to be of particular interest ...
It's worthwhile noting that the state of system (mini and microcomputer) art at the time of the 1977 discussions was, for example, the Intel 8085 (8-bit registers; the 16-bit 8086 was 1978) and 16-bit PDP-11s. The 32-bit VAX 11/780 postdated these (announced October 77). Yes, you can do 32 or 64 bit network addressing with smaller registers, but there are tendencies to not think that way. -- -george william herbert george.herbert () gmail com
Current thread:
- Re: IPv4 address length technical design, (continued)
- Re: IPv4 address length technical design Seth Mos (Oct 03)
- Re: IPv4 address length technical design Izaac (Oct 03)
- Re: IPv4 address length technical design George Herbert (Oct 03)
- Re: IPv4 address length technical design William Herrin (Oct 03)
- Re: IPv4 address length technical design Owen DeLong (Oct 03)
- Re: IPv4 address length technical design Marco Hogewoning (Oct 04)
- Re: IPv4 address length technical design joel jaeggli (Oct 04)
- RE: IPv4 address length technical design Naslund, Steve (Oct 03)
- Re: IPv4 address length technical design Jeroen van Aart (Oct 29)
- Re: IPv4 address length technical design George Herbert (Oct 03)
- RE: IPv4 address length technical design Tony Patti (Oct 03)
- Re: IPv4 address length technical design Valdis . Kletnieks (Oct 03)