On Sunday, November 07, 2004 12:44 PM, Dave Crocker wrote
To: Noel Chiappa; ietf(_at_)ietf(_dot_)org
Subject: Re: IPv4 consumption statistics and extrapolations
On Sun, 7 Nov 2004 12:00:09 -0500 (EST), Noel Chiappa wrote:
*IPv6 only exists because of a previous round of FUD about
IPv4 address exhaustion* - one spread by the proponents of
yet another protocol that was going to "replace" IPv4 - i.e.
Kobe came roughly a year after work was done on considering the
problem of rapidly depleting address space availability. There was
plenty of basis for the concern about address space.
On this point, Dave is correct. The IAB meeting occurred during the INET
conference in June 1992 in Kobe. The issue of IP address exhaustion had
already been debated on several occasions. You can check the minutes of
the IAB meetings at http://www.iab.org/documents/iabmins/. As Noel
mentions, he was actually one of the first to point the issue of address
space exhaustion, as mentioned in the minutes of the October 1990
And CLNP was not proposed until well into that process.
Actually, if you go look at the minutes, you find that the subject of
OSI transition, coexistence and competition was very much in people
minds. In the same October 1990 during which Noel presented the issue of
address exhaustion, the IAB also spent a lot of time discussing NSAP
addressing. The next meeting, in January 1991, featured a discussion of
whether TCP and OSI will continue in parallel or whether one will
replace the other. The proposal in 1992 to base an IPng on CLNP was
pretty much a continuation of these discussions, and it did indeed come
in quite early in the process.
-- Christian Huitema
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