[ih] RAND Unix Port code

Barbara Denny b_a_denny at yahoo.com
Mon Feb 13 12:41:47 PST 2017

I have an email address for Jim.  I am not sure if he wants it broadcasted on an email list so I will send you a separate message.

I also saw Carl Sunshine at a meeting about 6 years ago. He was working for the Aerospace Corporation.  I don't know if he is still there.  If you can't find other information for him, I know people who work at Aerospace who might be able to give me his email address or let me know if he is still there.

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Today's Topics:

  1. TCP/IP timeline (Paul Ruizendaal)
  2. RAND Unix Port code (Noel Chiappa)


Message: 1
Date: Mon, 13 Feb 2017 13:50:15 +0100
From: Paul Ruizendaal <pnr at planet.nl>
Subject: [ih] TCP/IP timeline
To: internet-history at postel.org
Message-ID: <CBB28295-44C7-46B2-945A-48D4F0DA6214 at planet.nl>
Content-Type: text/plain; charset=us-ascii

Many thanks for the feedback on my earlier questions around the
TCP/IP specification timeline.

To get things clear in my mind I made a little table linking
dates with IEN/RFC numbers. The result is here:
https://1fichier.com/?03hz69bj5e (one page 24KB PDF).

Of course, it doesn't mean much as long as the changes from
version to version are not clear. It could be real change and
it could be editorial clean-up.

I've also noted the caution that development of the specs and
of the code bases may not be the same.



Message: 2
Date: Mon, 13 Feb 2017 12:09:19 -0500 (EST)
From: jnc at mercury.lcs.mit.edu (Noel Chiappa)
Subject: [ih] RAND Unix Port code
To: internet-history at postel.org
Cc: wkt at tuhs.org, jnc at mercury.lcs.mit.edu
Message-ID: <20170213170919.8552E18C09C at mercury.lcs.mit.edu>

I'm not sure if this news has spread widely yet, but I have just recovered a
complete copy of the filesystem for the MIT-CSR Unix (the V6 Unix system at
MIT-LCS on which most of the early TCP/IP work at MIT was done). I have found
many treasures therein, including several early TCP/IP's. (More on this

I'm trying to make them all accessible through Unix source archives:


for public access. To do so, I need to make sure they are all OK to release
publicly. (Back in the day, they were not, but that was because the underlying
UNIX code was protected.)

One of them is the BBN TCP/IP done by Mike Wingfield. It uses the RAND Port
code, and I'm trying to work out who can tell me, or OK, the release of that

Alas, Steven Zucker, the person who wrote the RAND report detailing the
implementation of ports (and likely the actual author of the code) is no
longer with us. Carl Sunshine wrote the overview document, but I don't know
how to reach him - does anyone here? Does anyone else have any information
on whether or not we can make this code public? Thanks!

We do not, alas, have the source for the first BBN Unix TCP/IP - the one done
by Jack Havery as, I am under the impression, a port of Jim Mathis' TIU code.

We do, however, have the complete TIU source, and I hope to make that
available too. Same question(s) about that: does anyone know how to reach Jim,
or know anything about the releaseability of that code? (I seem to recall it
was done under contract to DARPA, and so probably was open, but not all code
written under a contract with the USG is necessarily public.)




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