Official protocols (RFC0840)
Original Publication Date: 1983-Apr-13
Included in the Prior Art Database: 2000-Sep-13
Internet Society Requests For Comment (RFCs)
This RFC identifies the documents specifying the official protocols used in the Internet. Annotations identify any revisions or changes planned.
Network Working Group J. Postel
Request for Comments: 840 ISI
This RFC identifies the documents specifying the official protocols used
in the Internet. Annotations identify any revisions or changes planned.
To first order, the official protocols are those in the Internet
Protocol Transition Workbook (IPTW) dated March 1982. There are several
protocols in use that are not in the IPTW. A few of the protocols in
the IPTW have been revised these are noted here. In particular, the
mail protocols have been revised and issued as a volume titled "Internet
Mail Protocols" dated November 1982. There is a volume of protocol
related information called the Internet Protocol Implementers Guide
(IPIG) dated August 1982. A few of the protocols (in particular the
Telnet Options) have not been revised for many years, these are found in
the old ARPANET Protocol Handbook (APH) dated January 1978.
This document is organized as a sketchy outline. The entries are
protocols (e.g., Transmission Control Protocol). In each entry there
are notes on status, specification, comments, other references,
dependencies, and contact.
The status is one of: required, recommended, elective, or
The specification identifies the protocol defining documents.
The comments describe any differences from the specification or
problems with the protocol.
The other references identify documents that comment on or expand on
The dependencies indicate what other protocols are called upon by
The contact indicates a person who can answer questions about the
RFC 840 April 1983
In particular, the status may need some further clarification:
- all hosts must implement the required protocol,
- all hosts are encouraged to implement the recommended
- hosts may implement or not the elective protocol,
- hosts should not implement the experimental protocol unless
they are participating in the experiment and have coordinated
their use of this protocol with the contact person, and
- this is not a protocol.
SPECIFICATION: IEN 48 (in IPTW)