Internet Draft Internet Architecture Board
Lyman Chapin, Chair
November 1992 and
Expires: May December 1993 Internet Engineering Steering Group
June 1993
Draft revision to RFC-1310 --
The Internet Standards Process -- Revision 2
**DRAFT**
Status of this Memo
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Abstract
This memo document is a draft of the first update to revision of RFC-1310, which documents
defines the current standards official procedures in the for creating and documenting Internet community.
Standards. This
memo draft revision is being distributed to the Internet
community for comment comments and suggestions.
This revision includes the following major changes:
(a) The new management structure arising from the Internet community.
Major POISED Working
Group is reflected. These changes were agreed to by the IETF
plenary and by the IAB and IESG in this update include November 1992 and accepted by
the following:
(a) Add Prototype Status ISOC Board of Trustees at their December 1992 meeting.
(b) Rewrite Prototype status is added to the non-standards track maturity
levels (Section 2.4.1).
(c) The Intellectual Property Rights section, to incorporate section is completely revised,
in accordance with legal advice. Section 5 of this document
replaces Sections 5 and 6 of RFC-1310.
(c) Describe new procedures, e.g., Note however, that the IESG "last call".
(d) Incorporate many suggestions made
new Section 5 is still incomplete and that it is awaiting review
by IETF members.
Significant content changes from RFC-1310 are noted with change bars.
In addition, there are many stylistic changes legal counsel.
(d) An appeals procedure is added (Section 3.6).
Finally, the document was reorganized into a more logical and some
reorganization.
coherent structure.
TABLE OF CONTENTS
1. INTRODUCTION ................................................. 2
1.1.
1.1 Internet Standards ....................................... Standards. ...................................... 2
1.2. Organization ............................................. 4
1.3.
1.2 Organizations ............................................ 5
1.3 Standards-Related Publications ........................... 5
1.3.1. Requests for Comments (RFCs) ........................ 5
1.3.2. Internet Drafts ..................................... 6
1.4.
1.4 Internet Assigned Number Authority (IANA) ................ 6 8
2. NOMENCLATURE ................................................. 7
2.1. 9
2.1 The Internet Standards Track ............................. 7
2.2. 9
2.2 Types of Specifications .................................. 7
2.3. 9
2.3 Standards Track Maturity Levels .......................... 9
2.4. 11
2.4 Non-Standards Track Maturity Levels ...................... 10
2.5. 12
2.5 Requirement Levels ....................................... 12 14
3. THE INTERNET STANDARDS PROCESS ............................... 13
3.1. 15
3.1 Review and Approval ...................................... 13
3.2. Entering the Standards Track ............................. 15
3.3.
3.3 Advancing in the Standards Track ......................... 15
3.4. 17
3.4 Revising a Standard ...................................... 16
3.5. 18
3.5 Retiring a Standard ...................................... 16 19
3.6 Conflict Resolution and Appeals .......................... 19
4. EXTERNAL STANDARDS AND SPECIFICATIONS ........................ 15 20
5. INTELLECTUAL PROPERTY RIGHTS ................................. 18
5.1. 22
5.1 Trade Secret Rights ...................................... 19
5.2. 23
5.2 Patent Rights ............................................ 19 23
5.3 Copyright ................................................ 24
5.4 Notices And Agreements ................................... 25
6. ACKNOWLEDGMENTS AND REFERENCES ............................... 21 ................................................... 25
APPENDIX A: GLOSSARY ............................................. 22 OF ACRONYMS ................................. 26
APPENDIX B: CONTACT POINTS ....................................... 22 26
APPENDIX C: FUTURE ISSUES ........................................ 27
1. INTRODUCTION
1.1 Internet Standards.
This memo documents the process currently used by the Internet |
Society
community for the standardization of Internet protocols and | procedures.
1.1 Internet Standards.
The Internet, a loosely-organized international collaboration of
autonomous, interconnected networks, supports host-to-host
communication through voluntary adherence to open protocols and
procedures defined by Internet Standards. There are also many
isolated internets, i.e., sets of interconnected networks, that which
are not connected to the Internet but use the Internet Standards.
The architecture and technical specifications
Internet Standards were once limited to those protocols composing
what has been commonly known as the "TCP/IP protocol suite".
However, the Internet has been evolving towards the support of
multiple protocol suites, especially the Open Systems
Interconnection (OSI) suite. The Internet Standards process
described in this document is concerned with all protocols,
procedures, and conventions that are used in or by the result Internet,
whether or not they are part of numerous research and development activities
conducted over a period the TCP/IP protocol suite. In the
case of two decades, performed protocols developed and/or standardized by non-Internet
organizations, however, the network
R&D community, by service and equipment vendors, and by government
agencies around Internet Standards process may apply
only to the application of the protocol or procedure in the world.
Internet context, not to the specification of the protocol itself.
In general, an Internet Standard is a specification that is stable
and well-understood, is technically competent, has multiple,
independent, and interoperable implementations with substantial
operational experience, enjoys significant public support, and is
recognizably useful in some or all parts of the Internet.
The principal set of Internet Standards is commonly known as the
"TCP/IP protocol suite". As the Internet evolves, new protocols
and services, in particular those for Open Systems Interconnection
(OSI), have been and will be deployed in traditional TCP/IP
environments, leading to an Internet that supports multiple
protocol suites. This document concerns all protocols,
procedures, and conventions intended for use in the Internet, not
just the TCP/IP protocols.
The procedures described in this document are designed to be fair,
open and objective; to be retrospective; and to be flexible.
o These procedures are intended to provide a clear, fair, open, and
objective basis for developing, evaluating, and adopting
Internet Standards for protocols and services. The
procedures Standards. They provide ample opportunity for
participation and comment by all interested parties. Before an Internet Standard is
adopted, it At each
stage of the standardization process, a specification is
repeatedly discussed (and perhaps debated) and its merits debated in open meetings
and/or public electronic mailing lists, and it is made
available for review via world-wide on-line directories.
o These procedures are explicitly aimed at developing recognizing and
adopting generally-accepted practices. Thus, a candidate for Internet
standardization
specification is implemented and tested for correct operation
and interoperability by multiple, multiple independent parties, parties and
utilized in increasingly demanding environments, before it
can be adopted as an Internet Standard.
The
o These procedures that are described here provide a great deal of flexibility to adapt
to the wide variety of circumstances that occur in the Internet
standardization process. Experience has shown this
flexibility to be vital in achieving the following goals listed above.
The goal of technical competence, the requirement for prior
implementation and testing, and the need to allow all interested
parties to comment, all require significant time and effort. On
the other hand, today's rapid development of networking technology
places an urgency on timely development of standards. The
Internet standardization rules described here are intended to
balance these conflicting goals. The process is believed to be as
short and simple as possible without undue sacrifice of technical
competence, prior testing, or openness and fairness.
In summary, the goals for the Internet standardization: standards process are:
* high quality, technical excellence;
* prior implementation and testing, testing;
* clear, short, and easily understandable documentation;
* openness and fairness, fairness; and
* timeliness.
In outline, the process of creating an Internet Standard is
straightforward: a specification undergoes a period of development
and several iterations of review by the Internet community and
revision based upon experience, is adopted as a Standard by the
appropriate body (see below), and is published. In practice, the
process is more complicated, due to (1) the
number and type of possible sources for specifications; (2) the | difficulty of creating
specifications of high technical quality;
(3) (2) the desire need to preserve consider
the interests of all of the affected parties; (4) (3) the importance
of establishing widespread community consensus; and (5) (4) the
difficulty of evaluating the utility of a particular specification
for the Internet community.
Some specifications that are candidates for Internet
standardization are the result of organized efforts directly
within the Internet community; others are the result of work that
was not originally organized as an Internet effort, but which was
later adopted by the Internet community.
From its inception, the Internet has been, and is expected to
remain, an evolving system whose participants regularly factor new
requirements and technology into its design and implementation.
Users of the Internet and providers of the equipment, software,
and services that support it should anticipate and embrace this
evolution as a major tenet of Internet philosophy.
The procedures described in this document are the result of three
years of evolution, driven both by the needs of the growing and
increasingly diverse Internet community, and by experience.
Comments and suggestions are invited for improvement in improving these
procedures.
The remainder of this section describes the organizations and |
publications involved in Internet standardization. Section 2 |
presents the nomenclature for different kinds and levels of |
Internet standard technical specifications and their |
applicability. Section 3 describes the process and rules for |
Internet standardization. Section 4 defines how relevant |
externally-sponsored specifications and practices, developed and |
controlled by other standards bodies or by vendors, are handled in |
the Internet standardization process. Section 5 presents the |
rules that are required to protect intellectual property rights. rights
and to assure unrestricted ability for all interested parties to
practice Internet Standards.
1.2 Organization Organizations
The following organizations are involved in setting Internet Architecture Board (IAB)
standards.
* ISOC
Internet standardization is an organized activity of the primary coordinating
committee for
Internet design, engineering, and management [1].
The Society (ISOC). The Internet Engineering Task Force (IETF) has primary
responsibility for ISOC is a professional society
that is concerned with the development growth and review evolution of potential
Internet Standards from all sources. The IETF forms Working
Groups to pursue specific technical issues, frequently resulting the
worldwide Internet, with the way in which the development of one or more specifications that are proposed
for adoption as Internet Standards.
Final decisions on Internet standardization are made by the IAB,
based upon recommendations from is and
can be used, and with the social, political, and technical
issues that arise as a result.
* IETF
The Internet Engineering Steering
Group (IESG), Task Force (IETF) is the leadership primary
body of the IETF. developing new Internet Standard specifications. The
IETF is composed of many Working
Groups Groups, which are organized
into areas, and each area of which is coordinated by
an one or more Area Director.
Directors.
* IESG
The Area Directors Internet Engineering Steering Group (IESG) is responsible
for technical management of IETF activities and the IETF Chairman are
included approval
of Internet standards specifications, using the rules given
in later sections of this document. The IESG is composed of
the IESG. IETF Area Directors, some at-large members, and the
chairperson of the IESG/IETF.
* IAB
The Internet Architecture Board (IAB) has been chartered by
the Internet Society Board of Trustees to provide quality
control and process appeals for the standards process, as
well as external technical liaison, organizational oversight,
and long-term architectural planning and research.
Any member of the Internet community with the time and interest is
urged to attend IETF meetings and to participate actively in one or more IETF Working Groups. Groups
and to attend IETF meetings. In many cases, active Working Group
participation is possible through email alone; furthermore,
Internet video conferencing is being used experimentally to allow
remote participation. Participation is by individual technical
contributors rather than formal representatives of organizations.
The process works because the IETF Working Groups display a spirit
of cooperation as well as a high degree of technical maturity;
IETF members participants recognize that the greatest benefit for all
members of the Internet community results from cooperative
development of technically superior protocols and services.
A second body,
Members of the IESG and IAB are nominated for two-year terms by a
committee that is drawn from the roll of recent participation in
the IETF and chartered by the ISOC Board of Trustees. The
appointment of IESG and of IAB members are made from these
nominations by the IAB and by the ISOC Board of Trustees,
respectively.
The Internet Research Task Force (IRTF), (IRTF) is not directly part of
the standards process. It investigates topics considered to be
too uncertain, too advanced, or insufficiently well-understood to
be the subject of Internet standardization. When an IRTF activity
generates a specification that is sufficiently stable to be
considered for Internet standardization, the specification is
processed through the IETF using the rules in this document.
1.3.
1.3 Standards-Related Publications
1.3.1.
1.3.1 Requests for Comments (RFCs)
Each distinct version of a specification is published as part
of the "Request for Comments" (RFC) document series. This
archival series is the official publication channel for the IAB and its
activities,
Internet standards documents and the RFC Editor is a member other publications of the IAB.
IESG, IAB, and Internet community. RFCs form are available for
anonymous FTP from a series nunber of publications Internet hosts.
The RFC series of documents on networking technical
documents, begun began in 1969 as part
of the original DARPA wide-
area ARPA wide-area networking (ARPANET) project
(see Appendix A for glossary of acronyms). RFCs cover a wide
range of topics, from early discussion of new research concepts
to status memos about the Internet. RFC publication is the
direct responsibility of the RFC Editor, under the general
direction of the IAB.
The rules for formatting and submitting an RFC are defined in |
reference [10]. [5]. Every RFC will be is available in ASCII text, but | some
RFCs will are also be available in Postscript. For |
standards-track specifications, there PostScript*. The PostScript version
_________________________
*PostScript is a registered trademark of Adobe Systems,
of an RFC may contain material (such as diagrams and figures)
that is not present in the ASCII version, and it may be
formatted differently.
*********************************************************
* A stricter requirement |
on the publication format: applies to standards-track *
* specifications: the ASCII text version is the reference |
document, *
* definitive reference, and therefore it must be a *
* complete and accurate. A |
supplemental Postscript versin with more attractive formatting |
is optional in this case. accurate specification of the standard, *
* including all necessary diagrams and illustrations. *
* *
*********************************************************
The status of specifications on the Internet standards track protocol and service specifications is
summarized periodically in an RFC entitled "IAB Official "Official Protocol
Standards" [2]. [1]. This RFC shows the level of maturity and other
helpful information for each Internet protocol or service
specification.
********************************************************
* The "IAB Official Protocol Standards" RFC is the *
* authoritative statement of the current status of *
* any particular See Section 3.1.3 below.
Some RFCs document Internet specification. *
********************************************************
The STD documents standards. These RFCs form a the
'STD' subseries of the RFC series. series [4]. When a specification
has been adopted as an Internet Standard, it is given the
additional label "STDxxxx", but it keeps its RFC
is labeled with a STDxxx number [9] in addition to and its
place in the RFC
number. series.
Not all specifications of protocols or services for the
Internet should or will become Internet Standards. Such non-
standards track specifications are not subject to the rules for
Internet standardization; generally, standardization. Generally, they will be published
directly as RFCs at the discretion of the RFC editor and the |
IESG. These RFCs will be marked as "Prototype", "Experimental" | or
"Informational" as appropriate (see section 2.3).
********************************************************
* It is important to remember that not all RFCs *
* are standards track documents, and that not all *
* standards track documents reach the level of *
* Internet Standard. *
********************************************************
1.3.2.
1.3.2 Internet Drafts
During the development of a specification, draft versions of
the document are made available for informal review and comment
by placing them in the IETF's "Internet Drafts" directory,
_________________________
Inc.
which is replicated on a number of Internet hosts. This makes
an evolving working document readily available to a wide
audience, facilitating the process of review and revision.
An Internet Draft that is published as an RFC, or that has
remained unchanged in the Internet Drafts directory for more
than six months without being recommended by the IESG for
publication as an RFC, is simply removed from the Internet
Draft directory. At any time, an Internet Draft may be
replaced by a more recent version of the same specification,
restarting the six-month timeout period.
An Internet Draft is NOT a means of "publishing" a
specification; specifications are published through the RFC
mechanism described in the next previous section. Internet Drafts
have no formal status, and are not part of the permanent archival
record of Internet activity, and they are subject to change or
removal at any time.
********************************************************
* Under no circumstances should an Internet Draft *
* be referenced by any paper, report, or Request for Request-for-*
* Proposal, nor should a vendor claim compliance *
* with an | Internet-Draft.
1.4. *
********************************************************
Note: It is acceptable to reference a standards-track
specification that may be reasonably be expected to be
published as an RFC using the phrase "RFC in preparation",
without referencing an Internet Draft.
1.4 Internet Assigned Number Authority (IANA)
Many protocol specifications include numbers, keywords, and other
parameters that must be uniquely assigned. Examples include
version numbers, protocol numbers, port numbers, and MIB numbers.
The IAB has delegated to the Internet Assigned Numbers Authority
(IANA) the task of assigning such protocol parameters for the
Internet. The IANA publishes tables of all currently assigned
numbers and parameters in RFCs titled "Assigned Numbers" [8]. [3].
Each category of assigned numbers typically arises from some
protocol that is on the standards track or is an Internet
Standard. For example, TCP port numbers are assigned because TCP
is a Standard. A particular value within a category may be
assigned in a variety of circumstances; the specification
requiring the parameter may be in the standards track, it may be
Experimental, or it may be private. Note that assignment of a
number to a protocol is independent of, and does not imply,
acceptance of that protocol as a standard.
Chaos could result from accidental conflicts of parameter values,
so we urge that every protocol parameter, for either public or
private usage, be explicitly assigned by the IANA. Private
protocols often become public. Programmers are often tempted to
choose a "random" value or to guess the next unassigned value of a
parameter; both are hazardous.
The IANA is tasked expected to avoid frivolous assignments and to
distinguish different assignments uniquely. The IANA accomplishes
both goals by requiring a technical description of each protocol
or service to which a value is to be assigned. Judgment on the
adequacy of the description resides with the IANA. In the case of
a standards track or Experimental protocol, the corresponding
technical specifications provide the required documentation for
IANA. For a proprietary protocol, the IANA will keep confidential
any writeup that is supplied, but at least a short (2 page)
writeup is still required for an assignment.
2. NOMENCLATURE
2.1.
2.1 The Internet Standards Track
Specifications that are destined to become Internet Standards
evolve through a set of maturity levels known as the "standards
track". These maturity levels -- "Proposed Standard", "Draft
Standard", and "Standard" -- are defined and discussed below in
Section 3.2.
Even after a specification has been adopted as an Internet
Standard, further evolution often occurs based on experience and
the recognition of new requirements. The nomenclature and
procedures of Internet standardization provide for the replacement
of old Internet Standards with new ones, and the assignment of
descriptive labels to indicate the status of "retired" Internet
Standards. A set of maturity levels is defined in Section 3.3 to
cover these and other "off-track" specifications.
2.2.
2.2 Types of Specifications
Specifications subject to the Internet standardization process
fall into two categories: Technical Specifications (TS) and
Applicability Statements (AS).
2.2.1.
2.2.1 Technical Specification (TS)
A Technical Specification is any description of a protocol,
service, procedure, convention, or format. It may completely
describe all of the relevant aspects of its subject, or it may
leave one or more parameters or options unspecified. A TS may
be completely self-contained, or it may incorporate material
from other specifications by reference to other documents
(which may or may not be Internet Standards).
A TS shall include a statement of its scope and the general
intent for its use (domain of applicability). Thus, a TS that
is inherently specific to a particular context shall contain a
statement to that effect. However, a TS does not specify
requirements for its use within the Internet; these
requirements, which depend on the particular context in which
the TS is incorporated by different system configurations, is
defined by an Applicability Statement.
2.2.2.
2.2.2 Applicability Statement (AS)
An Applicability Statement specifies how, and under what
circumstances, one or more TSs are to be applied to support a
particular Internet capability. An AS may specify uses for TSs
that are not Internet Standards, as discussed in Section 4.
An AS identifies the relevant TSs and the specific way in which
they are to be combined, and may also specify particular values
or ranges of TS parameters or subfunctions of a TS protocol
that must be implemented. An AS also specifies the
circumstances in which the use of a particular TS is required,
recommended, or elective.
An AS may describe particular methods of using a TS in a
restricted "domain of applicability", such as Internet routers,
terminal servers, Internet systems that interface to Ethernets,
or datagram-based database servers.
The broadest type of AS is a comprehensive conformance
specification, commonly called a "requirements document", for a
particular class of Internet systems [3,4,5], systems, such as Internet routers
or Internet hosts.
An AS may not have a higher maturity level in the standards
track than any standards-track TS to which the AS applies. For
example, a TS at Draft Standard level may be referenced by an
AS at the Proposed Standard or Draft Standard level, but not by
an AS at the Standard level. Like a TS, an AS does not come
into effect until it reaches Standard level.
Although TSs and ASs are conceptually separate, in practice an
Internet Standard RFC a
standards- track document may include elements of both combine an AS and one or more TSs in a single document.
related TSs. For example, Technical Specifications that are
developed specifically and exclusively for some particular domain
of applicability, e.g., for mail server hosts, often contain
within a single specification all of the relevant AS and TS
information. In such cases, no useful purpose would be served by
deliberately distributing the information among several documents
just to preserve the formal AS/TS distinction. However, a TS that
is likely to apply to more than one domain of applicability should
be developed in a modular fashion, to facilitate its incorporation
by multiple ASs.
2.3.
2.3 Standards Track Maturity Levels
ASs and TSs go through stages of development, testing, and
acceptance. Within the Internet standards process, these stages
are formally labeled "maturity levels".
This section describes the maturity levels and the expected
characteristics of specifications at each level. The general
procedures for developing a specification and processing it
through the maturity levels along the standards track were
discussed in Section 2 above.
2.3.1.
2.3.1 Proposed Standard
The entry-level maturity for the standards track is "Proposed
Standard". A Proposed Standard specification is generally
stable, has resolved known design choices, is believed to be
well-understood, has received significant community review, and
appears to enjoy enough community interest to be considered
valuable. However, further experience might result in a change
or even retraction of the specification before it advances to a
Standard. advances.
Usually, neither implementation nor operational experience is
required for the designation of a specification as a Proposed
Standard. However, such experience is highly desirable, and
will usually represent a strong argument in favor of a Proposed
Standard designation. Furthermore, the IAB
The IESG may require implementation and/or operational
experience prior to granting Proposed Standard status to a
specification that materially affects the core Internet
protocols or that specifies behavior that may have significant
operational impact on the Internet. Typically, such a
specification will be published initially with Experimental or
Prototype status (see below), and moved to the standards track
only after sufficient implementation or operational experience
has been obtained.
A Proposed Standard should have no known technical omissions
with respect to the requirements placed upon it. In some
cases, However, the
IESG may recommend that the requirements this requirement be explicitly reduced
in order to allow a protocol to advance into the Proposed
Standard state. This can happen if the state, when a specification is considered to be useful
and necessary (and timely), even absent the missing features.
For example, some protocols have been advanced by explicitly
deciding to omit security features at the Proposed Standard level, features, since an overall security
architecture was still under development.
2.3.2.
2.3.2 Draft Standard
A specification from which at least two independent and
interoperable implementations have been developed, and for
which sufficient successful operational experience has been
obtained, may be elevated to the "Draft Standard" level. This
is a major advance in status, indicating a strong belief that
the specification is mature and will be useful.
A Draft Standard must be well-understood and known to be quite
stable, both in its semantics and as a basis for developing an
implementation. A Draft Standard may still require additional
or more widespread field experience, since it is possible for
implementations based on Draft Standard specifications to
demonstrate unforeseen behavior when subjected to large-scale
use in production environments.
2.3.3.
2.3.3 Internet Standard
A specification for which significant implementation and
successful operational experience has been obtained may be
elevated to the Internet Standard level. An Internet Standard
(which may simply be referred to as a Standard) is
characterized by a high degree of technical maturity and by a
generally held belief that the specified protocol or service
provides significant benefit to the Internet community.
2.4.
2.4 Non-Standards Track Maturity Levels
Not every TS or AS is on the standards track. A TS may not be
intended to be an Internet Standard, or it may be intended for
eventual standardization but not yet ready to enter the standards
track. A TS or AS may have been superseded by more recent
Internet Standards, or have otherwise fallen into disuse or
disfavor.
Specifications not on the standards track are labeled with one of
four off-track maturity levels: "Prototype, "Experimental", |
"Informational", and "Historic". There are no time limits |
associated with these non-standard track labels, and the documents |
bearing these labels are not Internet standards in any sense.
2.4.1.
2.4.1 Prototype |
The "Prototype" designation on a TS indicates a specification |
produced by a protocol engineering effort that
for which the eventual destination may be the standards track,
but which is not | at present sufficiently mature to enter the
standards track. For example, | a Prototype TS may specify result in
behavior that is not completely | understood, or it may have
known technical omissions or | architectural defects. It may
undergo significant changes | before entering the standards
track, and or it may be discarded in | favor of another proposal.
One use of the Prototype | designation is the dissemination of a
specification as it | undergoes development and testing. |
A Prototype specification will generally be the output of an |
organized Internet engineering effort, for example a Working |
Group of the IETF. An IETF Working Group should submit a |
document that is intended for Prototype status to the IESG. |
The IESG will forward it to the RFC Editor for publication, |
after verifying that there has been adequate coordination with |
the standards process. |
2.4.2.
2.4.2 Experimental |
The "Experimental" designation on a TS typically indicates a |
specification that is part of a some research or development
effort. Such a | specification is published for the general
information of the | Internet technical community and as an
archival record of the | work. An Experimental specification may
be the output of an | organized Internet research effort (e.g., a
Research Group of the IRTF), or it may be an individual |
contribution. |
Documents intended for Experimental status should be submitted |
directly to the RFC Editor for publication. The rules are | procedure is
intended to expedite the publication of any responsible |
Experimental specification, subject only to editorial |
considerations, and to a check verification that there has been
adequate | coordination with the standards process.
2.4.3.
2.4.3 Informational
An "Informational" specification is published for the general
information of the Internet community, and does not represent
an Internet community consensus or recommendation. The
procedure is intended to expedite the publication of any
responsible informational document, subject only to editorial
considerations and to verification that there has been adequate
coordination with the standards process.
Specifications that have been prepared outside of the Internet
community and are not incorporated into the Internet standards
process by any of the provisions of Section 4 may be published
as Informational RFCs, with the permission of the owner.
2.4.4.
2.4.4 Historic
A TS or AS that has been superseded by a more recent
specification or is for any other reason considered to be
obsolete is assigned to the "Historic" level. (Purists have
suggested that the word should be "Historical"; however, at
this point the use of "Historic" is historical.)
2.5.
2.5 Requirement Levels
An AS may apply one of the following "requirement levels" to each
of the TSs to which it refers:
(a) Required: Implementation of the referenced TS, as specified
by the AS, is required to achieve minimal conformance. For
example, IP and ICMP must be implemented by all Internet
systems using the TCP/IP Protocol Suite.
(b) Recommended: Implementation of the referenced TS is not
required for minimal conformance, but experience and/or
generally accepted technical wisdom suggest its desirability
in the domain of applicability of the AS. Vendors are
strongly encouraged to include the functions, features, and
protocols of Recommended TSs in their products, and should
omit them only if the omission is justified by some special
circumstance.
(c) Elective: Implementation of the referenced TS is optional
within the domain of applicability of the AS; that is, the AS
creates no explicit necessity to apply the TS. However, a
particular vendor may decide to implement it, or a particular
user may decide that it is a necessity in a specific
environment.
As noted in Section 2.4, there are TSs that are not in the
standards track or that have been retired from the standards
track, and are therefore not required, recommended, or elective.
Two additional "requirement level" designations are available for
such TSs:
(d) Limited Use: The TS is considered appropriate for use only
in limited or unique circumstances. For example, the usage
of a protocol with the "Experimental" designation should
generally be limited to those actively involved with the
experiment.
(e) Not Recommended: A TS that is considered to be inappropriate
for general use is labeled "Not Recommended". This may be
because of its limited functionality, specialized nature, or
historic status.
The "IAB Official "Official Protocol Standards" RFC lists a general requirement
level for each TS, using the nomenclature defined in this section.
In many cases, more detailed descriptions of the requirement
levels of particular protocols and of individual features of the
protocols will be found in appropriate ASs.
3. THE INTERNET STANDARDS PROCESS
3.1.
3.1 Review and Approval
A "standards action" -- entering a particular specification into,
or
advancing it within, or removing it from, the standards track --
must be approved by the IAB following recommendation by the IESG.
3.1.1.
3.1.1 Initiation of Action
Typically, a standards action is initiated by a recommendation
to the appropriate IETF Area Director by the individual or
group that is responsible for the specification, usually an
IETF Working Group.
After completion to the satisfaction of its author and the
cognizant Working Group, a document that is expected to enter
or advance in the Internet standardization process shall be
made available as an Internet Draft. It shall remain as an
Internet Draft for a period of time that permits useful
community review, at least two weeks, before submission to the
IESG with a recommendation for action.
3.1.2.
3.1.2 IESG Review and Approval
The IESG shall determine whether a specification satisfies the
applicable criteria for the recommended action (see Sections
3.2 and 3.3 of this document).
The IESG shall determine if an independent technical review of
the specification is required, and shall commission one if when
necessary. This may require creating a new Working Group, or
there may be an agreement by
an existing group may agree to take responsibility for
reviewing the specification. When a specification is
sufficiently important in terms of its potential impact on the
Internet or on the suite of Internet protocols, the IESG shall
form an independent technical review and analysis committee to
prepare an evaluation of the specification. Such a committee
is commissioned to provide an objective basis for agreement
within the Internet community that the specification is ready
for advancement.
Furthermore, when the criteria for advancement along the
standards track for an important class of specifications (e.g.,
routing protocols [6]) are not universally recognized, the IESG
shall commission the development and publication of category-
specific acceptance criteria.
The IESG shall determine whether a specification satisfies the
applicable criteria for the recommended action (see Sections
3.2 and 3.3 of this document) and shall communicate its findings to the IETF to permit a
final review by the general Internet community. This "last-call" "last-
call" notification shall be via | electronic mail to the IETF
mailing list. In addition, for | important specifications there
shall be a presentation or | statement by the appropriate working group Working
Group or Area Director | during an IETF plenary meeting. Any
significant issues that have not been resolved satisfactorily
during the development of the specification may be raised at
this time for final resolution by the IESG.
In a timely fashion, but no less sooner than two weeks after issuance |
of issuing
the last-call notification to the IETF mailing list, the | IESG
shall communicate to the IAB make its final recommendation via |
email, with a copy to the IETF mailing list. This notification |
shall include a citation to the most current version of the |
document, and a clear statement of any relationship or |
anticipated impact of this action determination on other Internet standards- |
track specifications or non-Internet standards.
3.1.3. IAB Review
The IAB shall review the IESG recommendation in a timely
manner. If the IAB finds a significant problem whether or needs
clarification on a particular point, it shall resolve the
matter with the Working Group and its chairperson and/or the
document author, with the assistance and concurrence of not to approve
the
IESG standards action, and the relevant IETF Area Director.
The IAB shall notify the IETF mailing list of IAB approval or |
other action that results.
3.1.4. its decision
via email.
3.1.3 Publication
Following IAB IESG approval and any necessary editorial work, the
RFC Editor shall publish the specification as an RFC. The
specification shall then be removed from the Internet Drafts
directory.
An official summary of standards actions completed and pending |
shall appear in each issue of the Internet Society Newsletter. |
This shall constitute the Journal of Record of for Internet |
standards actions. In addition, the IAB IESG shall publish a |
monthly summary of standards actions completed and pending in |
the Internet Monthly Report, which is distributed to all
members of the | IETF mailing list.
3.2.
Finally, the IAB shall publish quarterly an "Official Protocol
Standards" RFC, summarizing the status of all Internet protocol
and service specifications, both within and outside the
standards track.
3.2 Entering the Standards Track
A specification that is potentially an Internet Standard may
originate from:
(a) an IAB-sponsored ISOC-sponsored effort (typically an IETF Working Group),
(b) independent activity by individuals, or
(c) an external organization.
Here (a) represents the great majority of cases. In cases (b) and
(c), the work might be tightly integrated with the work of an
existing IETF Working Group, or it might be offered for
standardization without prior IETF involvement. In most cases, a
specification resulting from an effort that took place outside of
an IETF Working Group context will be submitted to an appropriate Working
Group for evaluation and refinement. If necessary, an appropriate
Working Group will be created.
For externally-developed specifications that are well-integrated
with existing Working Group efforts, a Working Group is assumed to
afford adequate community review of the accuracy and applicability
of the specification. If a Working Group is unable to resolve all
technical and usage questions, additional independent review may
be necessary. Such reviews may be done within a Working Group
context, or by an ad hoc review committee established specifically
for that purpose. It is the responsibility of the appropriate
IETF Area Director to determine what, if any, review of an
external specification is needed and how it shall be conducted.
3.3.
3.3 Advancing in the Standards Track
A specification shall remain at the Proposed Standard level for at
least six (6) months and months.
A specification shall remain at the Draft Standard level for at
least four (4) months, or until at least one IETF meeting has
occurred, whichever comes later.
These minimum periods are intended to ensure adequate time opportunity
for community review. | review without severely impacting timeliness. These
intervals shall be measured from the date of publication of | the resulting
corresponding RFC(s), or, if the action does not result in RFC |
publication, the date of IAB IESG approval of the action. |
A review of the viability of a standardization effort will be |
conducted by the IESG and IAB when
When a standards-track specification | has not reached the Internet
Standard level but has remained at the same status level for
twenty-four (24) months, | and every twelve (12) months thereafter
until the status is |
changed. The changed, the IESG shall recommend, and review the IAB approve, | viability
of the standardization effort responsible for that specification.
Following each such review, the IESG shall approve termination or
continuation of the development, with the |
appropriate change of status. Such a recommendation development. This decision shall be |
communicated to the IETF via electronic mail to the IETF mailing |
list, to allow the Internet community an opportunity to comment. |
This provision is not intended to threaten a legitimate and active |
Working Group effort, but rather to provide an administrative |
mechanism for terminating a moribund effort.
A specification may be (indeed, is likely to be) revised as it
advances through the standards track. At each stage, the IESG
shall determine the scope and significance of the revision to the
specification, and, if necessary and appropriate, modify the
recommended action. Minor revisions are expected, but a
significant revision may require that the specification accumulate
more experience at its current maturity level before progressing.
Finally, if the specification has been changed very significantly,
the IESG may recommend that the revision be treated as a new
document, re-entering the standards track at the beginning.
Change of status shall result in republication of the |
specification as an RFC, except in the rare case that there have |
been no changes at all in the specification since the last |
publication. Generally, desired changes will be "batched" for |
incorporation at the next level in the standards track. However, |
deferral of changes to the next standards action on the |
specification will not always be possible or desirable; for |
example, an important typographic typographical error, or a technical error
that | does not represent a change in overall function of the |
specification, may need to be corrected immediately. In such |
cases, the IESG or RFC Editor may be asked to republish the RFC |
with corrections, and this will not reset the minimum time-at- |
level clock.
3.4.
3.4 Revising a Standard
A new version of an established Internet Standard must progress |
through the full Internet standardization process as if it were a |
completely new specification. Once the new version has reached |
the Standard level, it will usually replace the previous version, |
which will move to the Historic status. However, in some cases both
versions may remain as Internet Standards, to honor the
requirements of an installed base. In this sitution, situation, the
relationship between the previous and the new versions must be
explicitly stated in the text of the new version or in another
appropriate document (e.g., an Applicability Statement; see
Section 2.2.2).
3.5.
3.5 Retiring a Standard |
As the technology changes and matures, it is possible for a new |
Standard specification to be so clearly superior technically that |
one or more existing Internet Standards for the same function |
should be retired. In this case, the IESG shall recommend and the |
IAB approve a change
of status of the superseded specification(s) | from Standard to
Historic. This recommendation shall be issued | with the same
Last-Call and notification procedures used for any | other standards
action.
3.6 Conflict Resolution and Appeals
IETF Working Groups are generally able to reach consensus, which
sometimes requires difficult compromises between differing
technical solutions. However, there are times when even
reasonable and knowledgeable people are unable to agree. To
achieve the goals of openness and fairness, such conflicts must be
resolved with a process of open review and discussion.
Participants in a Working Group may disagree with Working Group
decisions, based either upon the belief that their own views are
not being adequately considered or the belief that the Working
Group made a technical choice which essentially will not work.
The first issue is a difficulty with Working Group process, and
the latter is an assertion of technical error. These two kinds of
disagreements may have different kinds of final outcome, but the
resolution process is the same for both cases.
Working Group participants always should first attempt to discuss
their concerns with the Working Group chair. If this proves
unsatisfactory, they should raise their concerns with an IESG Area
Director or other IESG member. In most cases, issues raised to
the level of the IESG will receive consideration by the entire
IESG, with the relevant Area Director or the IETF Chair being
tasked with communicating results of the discussion.
For the general community as well as Working Group participants
seeking a larger audience for their concerns, there are two
opportunities for explicit comment. (1) When appropriate, a
specification that is being suggested for advancement along the
standards track will be presented during an IETF plenary. At that
time, IETF participants may choose to raise issues with the
plenary or to pursue their issues privately, with any of the
relevant IETF/IESG management personnel. (2) Specifications that
are to be considered by the IESG are publicly announced to the
IETF mailing list, with a request for comments.
Finally, if a problem persists, the IAB may be asked to adjudicate
the dispute.
* If a concern involves questions of adequate Working Group
discussion, the IAB will attempt to determine the actual
nature and extent of discussion that took place within the
Working Group, based upon the Working Group's written record
and upon comments of other Working Group participants.
* If a concern involves questions of technical adequacy, the
IAB may convene an appropriate review panel, which may then
recommend that the IESG and Working Group re-consider an
alternate technical choice.
* If a concern involves a reasonable difference in technical
approach, but does not substantiate a claim that the Working
Group decision will fail to perform adequately, the Working
Group participant may wish to pursue formation of a separate
Working Group. The IESG and IAB encourage alternative points
of view and the development of technical options, allowing
the general Internet community to show preference by making
its own choices, rather than by having legislated decisions.
4. EXTERNAL STANDARDS AND SPECIFICATIONS
Many de facto and de jure standards groups other than the IAB/IETF IETF create and publish
standards documents for network protocols and services. When these
external specifications play an important role in the Internet, it is
desirable to reach common agreements on their usage -- i.e., to
establish Internet Standards relating to these external
specifications.
There are two categories of external specifications:
(1) Open Standards
Accredited national and international standards bodies, such as
ANSI, ISO, IEEE, and CCITT, ITU-TS, develop a variety of protocol and
service specifications that are similar to Technical
Specifications (see glossary in Appendix A). These
specifications are generally de jure standards. Similarly,
national defind here. National and international groups
also publish "implementors' agreements" that are analogous to
Applicability Statements, capturing a body of implementation-specific implementation-
specific detail concerned with the practical application of
their standards.
(2) Vendor Specifications
A vendor-proprietary specification that has come to be widely
used in the Internet may be treated by the Internet community as
if it were a de facto "standard". Such a specification is not generally
developed in an open fashion, is typically proprietary, and is
controlled by the vendor or vendors that produced it.
To avoid conflict between competing versions of a specification, the
Internet community will not standardize a TS or AS that is simply an
"Internet version" of an existing external specification, unless an
explicit cooperative arrangement to do so has been made. However,
there are several ways in which an external specification that is
important for the operation and/or evolution of the Internet may be
adopted for Internet use.
(a) Incorporation of an Open Standard
An Internet Standard TS or AS may incorporate an open external
standard by reference. The reference must be to a specific
version of the external standard, e.g., by publication date or
by edition number, according to the prevailing convention of the
organization that is responsible for the specification.
For example, many Internet Standards incorporate by reference
the ANSI standard character set "ASCII" [7]. [2]. Whenever possible,
the referenced specification shall be made available online.
(b) Incorporation of a Vendor Specification
Vendor-proprietary specifications may also be incorporated, incorporated by
reference to a specific version of the vendor standard. If the
vendor-proprietary specification is not widely and readily
available, the IAB IESG may request that it be published as an
Informational RFC. |
For a vendor-proprietary specification to be incorporated within |
the Internet standards process, the proprietor must follow meet the |
requirements of section 5 below. | below, and in general the
specification shall be made available online.
The IAB/IETF will generally IESG shall not favor a particular vendor's proprietary
specification over the technically equivalent and competing
specifications of other vendors by making it "required" or
"recommended".
(c) Assumption |
An IETF Working Group may start from an external specification |
and develop it into an Internet TS or AS, if the specification |
is provided to the Working Group in compliance with the |
requirements of section 5 below. below, and if change control must have
been conveyed to IETf by the original developer of the
specification. Continued participation in the | IETF work by the
original owner is likely to be valuable, and it | is encouraged.
The following sample text illustrates how a vendor might convey
change control to the Internet Society, per (c):
"XXXX Organization asserts that it has the right to transfer to
the Internet Society responsibility for further evolution of the
YYYY protocol documented in References (1-n) below. XXXX
Organization hereby transfers to the Internet Society
responsibilty for all future modification and development of the
YYYY protocol, without reservation or condition."
5. INTELLECTUAL PROPERTY RIGHTS |
[This section is current under review by ISOC counsel, and is not
final.]
In all matters of intellectual property rights, Internet's the intention | is to
benefit the Internet community and the public at large, while |
respecting the known, legitimate rights of others. |
In this section: |
o "applicable patents" or "applicable pending patents" means |
purportedly valid patents or patent applications that |
purportedly apply to technology required to practice an Internet |
standard. |
o "Trade secrets" means confidential, proprietary information. |
o "ISOC" includes the Internet Society, its directors, trustees, officers, |
employees, contractors, and agents, IAB, IETF, IESG, IRTF, IRSG,
and | Internet working groups Working Groups, Research Groups, and committees. |
o "Standards work" includes the creation, development, testing, |
revision, adoption, or maintenance of an Internet standard. |
o "Standards documents" include specifications, RFCs, and |
proposed, draft,
Proposed, Draft, and adopted standards. | Internet Standards.
o "Internet community" means the entire set of people using the |
Internet standards, directly or indirectly. |
5.1.
5.1 Trade Secret Rights |
ISOC will not accept, in connection with its standards work, any |
technology or information subject to any commitment, |
understanding, or agreement to keep it confidential or otherwise |
restrict its use or dissemination. |
5.2.
5.2 Patent Rights |
(A) ISOC will not propose, adopt, or continue to maintain any |
standard which can only be practiced using technology that is |
subject to known applicable patents or patent applications, |
except with prior written assurance that: |
1. ISOC may, without cost, freely use the technology in its |
standards work, and |
2. upon adoption and during maintenance of a standard, any |
party will be able to obtain the right to use the |
technology under specified, reasonable, non- |
discriminatory terms. |
3. the party giving the assurance has the right and power |
to grant the licenses and knows of no other applicable |
patents or patent applications or other intellectual |
property rights that may prevent ISOC and users of |
Internet standards from practicing the standard. |
When the such written assurance has been obtained, the standards |
documents shall include the following notice: |
"__________(name of patent owner) has provided written |
assurance to the Internet Society that any party will be
able | to obtain, under reasonable, nondiscriminatory
terms, the | right to use the technology covered
by__________(list patents | and patent applications) to
practice the standard. A copy of | the assurance may be
obtained from ________. The Internet | Society takes no
position on the validity or scope of the | patents and
patent applications, nor on the appropriateness | of the
terms of the assurance. The Internet Society makes no |
representation there are no other intellectual property |
rights which apply to practicing this standard, or nor that
it | has made any effort to identify any such intellectual |
property rights." |
(B) ISOC encourages all interested parties to bring to its |
attention, at the earliest possible time, the existence of |
any applicable patents or patent applications. For this |
purpose, each standards document will include the following |
invitation: |
"The Internet Society invites any interested party to |
bring to its attention any patents or patent applications |
which purport to cover technology that may be required to |
practice this standard. Address the information to |
__________." |
the Executive Director of the Internet Society."
When applicable, the following sentence will be included in |
the notice: |
"As of __________, no information about any applicable patents| patents
or patent applications has been received." |
(C) ISOC disclaims any responsibility to identify for identifying the
existence | of or to evaluate for evaluating applicable patents or patent
applications | on behalf of or for the benefit of any member of
the Internet | community. |
(D) ISOC takes no position on the validity or scope of any |
applicable patent or patent application. |
(E) ISOC will take no position on the ownership of inventions |
made during standards work, except for inventions of which an |
employee or agent of the Internet Society is a joint |
inventor. In the latter case, the Internet Society will make |
its rights available to anyone in the Internet community on a |
royalty-free basis. |
6. ACKNOWLEDGMENTS AND REFERENCES
This document represents the combined output of the Internet
Architecture Board and the Internet Engineering Steering Group, the
groups charged with managing the processes described in this document.
Major contributions
[The following sections are to the text were made by Bob Braden, Vint Cerf,
Lyman Chapin, Dave Crocker, Barry Leiner, and Patrice Lyons. It
incorporates a number be written.]
5.3 Copyright
5.4 Notices And Agreements
5.4.1 Notices to appear in Standards Documents
5.4.2 Confirmation of useful suggestions made by IETF members. implied Licenses
5.4.3 Text
6. REFERENCES
[1] Cerf, V., "The Internet Activities Board", RFC 1160, IAB, May
1990.
[2] Postel, J., "IAB Official Protocol Standards", RFC 1280, 1410, IAB,
March 1992.
[3] Braden, R., Editor, "Requirements for Internet Hosts --
Communication Layers", RFC 1122, IETF, October 1989.
[4] Braden, R., Editor, "Requirements for Internet Hosts --
Application and Support", RFC 1123, IETF, October 1989.
[5] Almquist, P., Editor, "Requirements for IP Routers", in
preparation.
[6] Hinden, R., "Internet Engineering Task Force Internet Routing
Protocol Standardization Criteria", RFC 1264, BBN, October 1991.
[7] 1993.
[2] ANSI, Coded Character Set -- 7-Bit American Standard Code for
Information Interchange, ANSI X3.4-1986.
[8]
[3] Reynolds, J., and J. Postel, "Assigned Numbers", RFC 1060, 1340, ISI,
March 1990.
[9]
July 1992.
[4] Postel, J., "Introduction to the STD Notes", RFC 1311, ISI,
March 1992.
[10]
[5] Postel, J., "How to Write an RFC", "Request for Comments on Request for Comments", RFC 1???, ISI, ????, 199?.
1111, August 1989.
APPENDIX A: GLOSSARY OF ACRONYMS
ANSI: American National Standards Institute
CCITT: Consultative Committee
ARPA: (U.S.) Advanced Research Projects Agency
AS: Applicability Statement
ASCII: American Standard Code for International Telephone and
Telegraphy.
A part Information Interchange
ITU-TS: Telecommunications Standardization sector of the UN Treaty Organization: the International
Telecommunications Union (ITU).
DARPA: (U.S.) Defense Advanced (ITU), a UN treaty organization;
ITU-TS was formerly called CCITT.
IAB: Internet Architecture Board
IANA: Internet Assigned Number Authority
IEEE: Institute of Electrical and Electronics Engineers
ICMP: Internet Control Message Protocol
IESG: Internet Engineering Steering Group
IETF: Internet Engineering Task Force
IP: Internet Protocol
IRTF: Internet Research Projects Agency Task Force
ISO: International Organization for Standardization
ISOC: Internet Society
MIB: Management Information Base
OSI: Open Systems Interconnection
RFC: Request for Comments
TCP: Transmission Control Protocol
TS: Technical Specification
APPENDIX B: CONTACT POINTS |
To contact the RFC Editor, send an email message to to: "rfc- |
editor@isi.edu". |
To contact the IANA for information or to request a number, keyword |
or parameter assignment send an email message to to: "iana@isi.edu". |
To contact the IESG, send an email message to to: "iesg@isi.edu". |
To contact the IAB, send an email message to to: "iab-contact@isi.edu"
To contact the Executive Director of the ISOC, send an email message
to Executive-Director@isoc.org".
APPENDIX C: FUTURE ISSUES
It has been suggested that additional procedures in the following
areas should be considered.
o Policy Recommendations and Operational Guidelines
Internet standards have generally been concerned with the
technical specifications for hardware and software required for
computer communication across interconnected networks. The
Internet itself is composed of networks operated by a great
variety of organizations, with diverse goals and rules.
However, good user service requires that the operators and
administrators of the Internet follow some common guidelines for
policies and operations. While these guidelines are generally
different in scope and style from protocol standards, their
establishment needs a similar process for consensus building.
Specific rules for establishing policy recommendations and
operational guidelines for the Internet in an open and fair
fashion should be developed, published, and adopted by the
Internet community.
o Industry Consortia
The rules presented in Section 4 for external standards should
be expanded to handle industry consortia.
o Tracking Procedure
It has been suggested that there should be a formal procedure
for tracking problems and change requests as a specification
moves through the standards track. Such a procedure might
include written responses, which were cataloged and
disseminated, or simply a database that listed changes between
versions. At the present time, there are not sufficient
resources to administer such a procedure.
A simpler proposal is to keep a change log for documents.
o Time Limit
An explicit time limit (e.g., 3 months) has been suggested for
IESG resolution concerning a standards action under the rules of
Section 3.1.2. If it were necessary to extend the time for some
reason, the IETF would have to be explicitly notified.
o Bug Reporting
There is no documented mechanism for an individual community
member to use to report a problem or bug with a standards-track
specification. One suggestion was the every standards RFC
should include an email list for the responsible Working Group.
Security Considerations
Security issues are not substantially discussed in this memo.
Authors'
Author's Address
A. Lyman Chapin
BBN Communications Corporation
150 Cambridge Park Drive
Cambridge, MA 02140
Christian Huitema, IAB Chairman
INRIA, Sophia-Antipolis
2004 Route des Lucioles
BP 109
F-06561 Valbonne Cedex
France
Phone: 617-873-3133
Fax: 617-873-4086
Email: Lyman@BBN.COM
Bob Braden
University of Southern California
Information Sciences Institute
4676 Admiralty Way
Marina del Rey, CA 90292 +33 93 65 77 15
EMail: Christian.Huitema@MIRSA.INRIA.FR
Phill Gross, IESG Chairman
Advanced Network and Services
100 Clearbrook Road
Elmsford, NY 10523
Phone: (310) 822-1511 914-789-5335
EMail: Braden@ISI.EDU pgross@nis.ans.net