RFC3109 - Request to Move STD 39 to Historic Status

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　　Network Working Group R. Braden
Request for Comments: 3109 ISI
Category: Informational R. Bush
RGnet
J. Klensin
AT&T
May 2001

Request to Move STD 39 to Historic Status

Status of this Memo

This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2001). All Rights Reserved.

Abstract

This memo changes the status of STD 39, BBN Report 1822,
"Specification of the Interconnection of a Host and an IMP", from
Standard to Historic.

1. Introduction

The Internet design grew out of the pioneering packet-switched
network called the ARPAnet. The ARPAnet was a mostly-US national
network built of mini-computer packet switches, called Interface
Message Processors (IMPs), that were linked by 56kbps leased
telephone lines. The IMPs were designed and built by Bolt, Beranek,
and Neumann (BBN) under contract with ARPA, beginning in 1968. One
of BBN's first tasks was to define the standard hardware interface
between a host and a colocated IMP. This interface was described in
BBN Report 1822 [BBN1822], which was a bible for the administrators
of the many different hosts that connected to the ARPAnet.

The BBN Report 1822 host/IMP hardware interface was bit-serial and
asynchronous. In 1968, the 8-bit byte had not yet been adopted as an
industry standard, so the interface had to cope with word-based
machines with arbitrary word length -- some common word lengths were
8, 12, 16, 24, 36, and 60, but there were others. From the software
viewpoint, Report 1822 defined what would today be called the link-
layer access protocol for the ARPAnet.

In 1983 the US DoD moved the ARPAnet technology to TCP/IP and split
off parts of the ARPAnet to form a production facility called MILNET.
The DoD mandated a byte-oriented, X.25-based interface for the MILNET
IMPs. However, the machines on the research-oriented ARPAnet
continued to use the 1822 interface under the new Internet protocol
suite. Therefore, BBN Report 1822 was made an Internet Standard, STD
39, although the report was not republished as an RFC.

2. Action

Since the ARPAnet technology and the BBN 1822 interface are no longer
in use, the IESG is moving BBN Report 1822 from Standard to Historic
status. The STD number 39 is retired.

3. Security Considerations

Moving STD 39 to historic has no known effect on the security of the
Internet.

4. References

[BBN1822] STD 39 is BBN Report 1822 "Specification for the
Interconnection of a Host and an IMP". This can be ordered
from Bolt, Beranek, and Newman, 10 Moulton Street,
Cambridge, MA 02138.

5. Authors' Addresses

Robert Braden
USC/Information Sciences Institute
4676 Admiralty Way
Marina del Rey, CA 90292-6695

Phone: +1 310-822-1511
EMail: braden@isi.edu

Randy Bush
5147 Crystal Springs
Bainbridge Island, WA US-98110

Phone: +1 206-780-0431
EMail: randy@psg.com

John C. Klensin
1770 Massachusetts Ave, Suite 322
Cambridge, MA 02140, USA

EMail: klensin@jck.com

6. Full Copyright Statement

Copyright (C) The Internet Society (2001). All Rights Reserved.

This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English.

The limited permissions granted above are perpetual and will not be
revoked by the Internet Society or its successors or assigns.

This document and the information contained herein is provided on an
"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
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Acknowledgement

Funding for the RFCEditor function is currently provided by the
Internet Society.

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