Username / Password : Request For Comments

RFC Number : 945

Title : DoD statement on the NRC report.
Network Working Group Postel
Request for Comments: 945 ISI
May 1985

A DoD Statement on the NRC Report


This RFC reproduces a letter from the Assistant Secretary of Defense
for Command, Control, Communications, and Intelligence (ASDC3I) to
the Director of the Defense Communications Agency (DCA). This letter
is distributed for information only. Distribution of this memo is


In December 1978, the Principal Deputy Under Secretary of Defense for
Research and Engineering, Gerald P. Dinneen, USDR&E, issued a
memorandum mandating the use of TCP/IP for all packet-oriented data
networks where there is potential for host-to-host connectivity
across network or subnetwork boundaries, and designating the Defense
Communications Agency as the DoD Executive Agent for computer
communications protocols (see IEN-152).

In April 1980, the Assistant Secretary of Defense for Communications,
Command, Control, and Intelligence, Gerald P. Dinneen, ASDC3I, issued
a memorandum reaffirming the requirement of TCP/IP, confirming the
role of DCA as the Executive Agent, and approving a plan for the
organization and activities of the Executive Agent (see IEN-152).

In March 1982, Richard D. DeLauer, ASDC3I, issued a memorandum
reaffirming the requirement for the use of TCP/IP, and reaffirming
the role of DCA as Executive Agent (see IEN-207).

However, there is also a DoD policy of long standing to use non-DoD
standards when such standards are available and meet the military
requirements. This policy is cited in DeLauer's memorandum.

Because questions were raised about the DoD use of TCP/IP as a
protocol standard, while the ISO is developing an differing set of
standards, and the NBS is working toward establishing the ISO
standards as FIPS, in May 1983 the National Research Council (NRC)
was asked jointly by DoD and NBS to study the issues and recommend a
course of action. The final report of the NRC committee was
published in February 1985 (see RFC-942).

The enclosed letter is from Donald C. Latham (ASDC3I) to DCA
transmitting the NRC report and requesting specific actions relative
to the recommendations of the report.

Postel [Page 1]
RFC 945 DOD Statement on NRC Report

Assistant Secretary of Defense
Washington, D.C., 20301-3040
Command, Control,


SUBJECT: National Research Council Report on Transport Protocols for
DoD Data Networks

Attached is the final report on 'Transport Protocols for Department
of Defense Data Networks' from the National Research Council (Board on
Telecommunications and Computer Applications, Commission on Engineering
and Technical Systems). The report recommends that DoD immediately
adopt the International Standards Organization Transport Protocol (TP-4)
and Internetwork Protocol (IP) as a DoD co-standard to the current DoD
standard Transmission Control Protocol (TCP) and IP and move ultimately
toward exclusive use of TP-4.

Whenever international standards are available and can be used to
support military requirements, they will be implemented as rapidly as
possible to obtain maximum economic and interoperability benefits.
However, TP as a proven commercial offering is not available at this
time. The progress of TP will be monitored carefully and once
commercially available, TP will be tested and evaluated for use in
military application.

In order to insure that DoD is in a posture to evaluate TP once it
is in wider use in the commercial sector, request you initiate the
following actions:

(1) develop the DoD military requirement specification for TP to
insure that industry is aware of DoD needs as TP is commercially

(2) insure that appropriate advisory representation is provided to
commercial standards working groups that are currently refining
TP under the auspices of the National Bureau of Standards.

(3) insure that the DCA protocol test facility can accommodate TP
testing as required when commercial implementations are

(4) develop a transition strategy for Option 2 of the report to
include estimated resource requirements.

(5) evaluate the detailed recommendations presented in the Report
(pages 61-64) as they apply to Option 2.

Donald C. Latham

Postel [Page 2]

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