Official ARPA-Internet protocols (RFC0901)
Original Publication Date: 1984-Jun-01
Included in the Prior Art Database: 2000-Sep-13
Internet Society Requests For Comment (RFCs)
J.K. Reynolds: AUTHOR [+2]
This RFC identifies the documents specifying the official protocols used in the Internet. Annotations identify any revisions or changes planned.
Network Working Group J. Reynolds
Request for Comments: 901 J. Postel
Obsoletes: RFCs 880, 840 June 1984
OFFICIAL ARPA-INTERNET PROTOCOLS
Status of this Memo
This memo is an official status report on the protocols used in the
This RFC identifies the documents specifying the official protocols
used in the Internet. Annotations identify any revisions or changes
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. Notably, the mail protocols
have been revised and issued as a volume titled "Internet Mail
Protocols" dated November 1982. Telnet and the most useful option
protocols were issued by the NIC in a booklet entitled "Internet
Telnet Protocol and Options" (ITP), dated June 1983. Some protocols
have not been revised for many years, these are found in the old
"ARPANET Protocol Handbook" (APH) dated January 1978. There is also
a volume of protocol related information called the "Internet
Protocol Implementers Guide" (IPIG) dated August 1982.
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 protocol.
The dependencies indicate what other protocols are called upon by
Official ARPA-Internet Protocols RFC 901
The contact indicates a person who can answer questions about the
In particular, the status may be:
- 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
- this is not a protocol.
For further information about protocols in general, please
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