[ih] NCP, TCP/IP question
the keyboard of geoff goodfellow
geoff at iconia.com
Tue Mar 10 12:33:43 PDT 2020
let's also not forget the late MAP, i.e. Mike Padlipsky
<https://en.wikipedia.org/wiki/Michael_A._Padlipsky>, EXCERPT:
... *Internetworking*
Full participation in Arpanet technical discussions required current
programming assignments on Arpanet. Mike summarized his own internetworking
experience as follows: [4]
<https://en.wikipedia.org/wiki/Michael_A._Padlipsky#cite_note-4>
Therefore, to combat that sort of brain surgery by transmission mechanics,
I feel I should present my credentials. ... So, aside from having coined
the term "Old Network Boy" — and being one — and indeed probably being the
only person in the world who knew, worked with, and was even on friendly
terms with Vint Cerf <https://en.wikipedia.org/wiki/Vint_Cerf>, Jon Postel
<https://en.wikipedia.org/wiki/Jon_Postel>, and Dave Clark
<https://en.wikipedia.org/wiki/David_D._Clark> before they got their
respective doctorates, I was an active participant in the design of the
ARPANET "Old" and "New" Telnet <https://en.wikipedia.org/wiki/Telnet>
protocols,
the File Transfer Protocol
<https://en.wikipedia.org/wiki/File_Transfer_Protocol>, and the first
Graphics Protocol; I was the originator and a principal designer of
"neted," a common editor command for the ARPANET; and I was the originator
and a principal designer of the first Host-Front-End Protocol, not only for
the ARPANET. I also implemented "Old" Telnet for Multics, did the
integration and checkout of NCP and Telnet on 645 Multics — setting the
one-month record for Development Machine Time in the process — and later
served as the Multics Network Technical Liaison and Network and Graphics
Group Leader, supervising the attachment of 6180 Multics to the ARPANET in
the process. In recent years, I've tried to help the Government get some of
its money's worth from contractors on any number of networks too depressing
to mention both for the —————* [Name withheld to avoid the necessity of
Corporate Review][5]
<https://en.wikipedia.org/wiki/Michael_A._Padlipsky#cite_note-5> Corporation,
which now [Ed. 1983] employs me, and for the DoD's Protocol Standards
Technical Panel.[6]
<https://en.wikipedia.org/wiki/Michael_A._Padlipsky#cite_note-6>
While a member of the NWG, Mike wrote 20 RFCs...
On Tue, Mar 10, 2020 at 9:24 AM Barbara Denny via Internet-history <
internet-history at elists.isoc.org> wrote:
> I don't think anyone has mentioned Charlie Lynn yet. My memory might be
> faulty but I think he was working on TCP in the early 80s, perhaps even
> earlier. I don't know if he was bug fixing someone else's implementation
> but I am pretty sure he reported on TCP during our BBN packet radio status
> meetings. Charlie worked on many Internet projects but unfortunately died
> fairly young. Perhaps Jil Westcott can verify or fill in here since she
> was managing the packet radio project at BBN at this time.
> barbara
>
> On Tuesday, March 10, 2020, 05:31:54 AM PDT, Nelson H. F. Beebe via
> Internet-history <internet-history at elists.isoc.org> wrote:
>
> Vint Cerf asks about early implementation languages for TCP/IP.
>
> I searched our remaining archives of what in the 1980s and 1990s was
> science.utah.edu, a DECsystem 20/40 (later upgraded to a 20/60)
> running TOPS-20, and found TCP/IP network code written in PDP-10
> assembly languages with these names:
>
> tcpbbn.mac tcpcrc.mac tcpjfn.mac tcptcp.mac
>
> The files in that directory carry time stamps from 1984.10.25 to
> 1985.09.11.
>
> The tcpbbn.mac file has this comment:
>
> ;COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1976, 1985.
>
> This module implements the BBN TCP JSYS interface.
> This code was originally developed at Bolt Beranek and Newman (BBN)
> under contract to the Defense Advanced Research Projects Agency
> (DARPA).
>
> The JSYS instruction is the PDP-10 system call.
>
> I also found a memo, design.mem, with the header
>
> Black Arts
> of
> Transmission Control Protocol
> Inter Network Protocol
> Implementation
> in the
> VAX / VMS Environment
>
> July 1982
>
> Stan C. Smith
> Tektronix, Inc.
> Computer Resource Dept 50-454
> P.O. box 500
> Beaverton, Oregon 97077
>
> that describes the VAX/VMS TCP/IP code written in Bliss, a systems
> programming language that was developed at CMU for DEC, and used by a
> few sites with DEC development contracts. Otherwise, it was a
> licensed software product that was too expensive for us to have on our
> PDP-10, PDP-11, and VAX systems.
>
> Instead, we wrote such code in assembly language, and later, in Pascal
> (TOPS-20 compiler from Chuck Hedrick's team at Rutgers), C (PCC
> compiler ported to TOPS-20 by the late Jay Lepreau, and later KCC,
> written by Kok Chen at Stanford and significantly extended for systems
> programming work by Ken Harrenstien at SRI International), and PCL
> (Programmable Command Language, a DEC compiler available only on
> TOPS-20). Once C became available on the PDP-10 and VAX, it was
> clearly the language of choice for software tools, and assembly code
> was a dead end with the growth in minicomputer and microprocessor
> architectures.
>
> For scientific work, all of our coding was in Fortran, and SFTRAN3 (a
> structured Fortran developed at JPL in Pasadena, and machine
> translated to standard Fortran 66 and 77), with only low-level
> primitives for character and bit processing, and system calls, written
> in assembly code.
>
>
> -------------------------------------------------------------------------------
> - Nelson H. F. Beebe Tel: +1 801 581 5254
> -
> - University of Utah FAX: +1 801 581 4148
> -
> - Department of Mathematics, 110 LCB Internet e-mail:
> beebe at math.utah.edu -
> - 155 S 1400 E RM 233 beebe at acm.org
> beebe at computer.org -
> - Salt Lake City, UT 84112-0090, USA URL:
> http://www.math.utah.edu/~beebe/ -
>
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Geoff.Goodfellow at iconia.com
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http://geoff.livejournal.com
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