IETF Experiments
draft-bonica-gendispatch-exp-01
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draft-bonica-gendispatch-exp-01
GenDispatch Working Group R. Bonica
Internet-Draft Juniper Networks
Intended status: Best Current Practice A. Farrel
Expires: 9 February 2025 Old Dog Consulting
8 August 2024
IETF Experiments
draft-bonica-gendispatch-exp-01
Abstract
This document describes IETF protocol experiments and provides
guidelines for the publication of Experimental RFCs.
Status of This Memo
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provisions of BCP 78 and BCP 79.
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material or to cite them other than as "work in progress."
This Internet-Draft will expire on 9 February 2025.
Copyright Notice
Copyright (c) 2024 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights
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provided without warranty as described in the Revised BSD License.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Requirements on Experimental RFCs . . . . . . . . . . . . . . 3
2.1. Codepoints in Experimental RFCs . . . . . . . . . . . . . 4
2.2. Requirements Level Language and Keywords . . . . . . . . 5
3. Experimental Reports . . . . . . . . . . . . . . . . . . . . 5
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6
5. Security Considerations . . . . . . . . . . . . . . . . . . . 6
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 6
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.1. Normative References . . . . . . . . . . . . . . . . . . 6
7.2. Informative References . . . . . . . . . . . . . . . . . 7
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 7
1. Introduction
According to [RFC2026], the "Experimental" designation for an RFC
typically denotes a specification that is part of a research or
development effort. An Experimental RFC may be published for
information and as an archival record of the work. An Experimental
RFC may be the output of an IRTF Research Group, an IETF Working
Group, or it may be an individual contribution that is sponsored by
an Area Director or published on the Independent Submission Stream.
Experimental RFCs in the IETF Stream describe IETF experiments. IETF
process experiments are described in [RFC3933], but this document is
concerned with protocol experiments.
An IETF protocol experiment is a procedure that is executed on the
Internet for a bounded period of time. The experiment can, but does
not always, include the deployment of a new protocol or protocol
extension. For example, when two protocols are proposed to solve a
single problem, the IETF can initiate an experiment in which each
protocol is deployed. Operational experience obtained during the
experiments can help to determine which, if either, of the protocols
should be progressed to the standards track.
An IETF protocol experiment must not harm the Internet or interfere
with established network operations. It must be conducted in a
carefully controlled manner (for example, using a limited domain
[RFC8799]). Furthermore, it must use protocol identifiers and code
points that do not conflict with deployments of standardized
protocols or other experiments.
When an IETF protocol experiment concludes, experimental results
should be reported to the relevant working group usually via an
Internet-Draft, and may be published in an Informational RFCs.
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This document describes IETF protocol experiments and provides
guidelines for the publication of Experimental RFCs. Experimental
RFCs in the Independent Submissions Stream or published by the IRTF
are out of scope of this document.
2. Requirements on Experimental RFCs
An Experimental RFC must describe the experimental nature of the
specification or deployment that it documents.
An Experimental RFC should:
* Describe the experiment in detail, so that it can be replicated by
non-collaborating parties and recognized when it is seen in
deployments.
* Describe how the experiment is safegarded so that it does not harm
the Internet or interfere with its established operations.
- It should indicate how messages or protocol data units are
identified and associated with the experiment.
- It should describe how backward compatability is ensured by
non-participating deployments using pre-existing standardized
mechanisms to discard or ignore the experiment.
- It should explain how the experiment is controlled so that it
does not "leak out" into the wider Internet.
* List what configuration knobs should be provided on experimental
implementations
* Include a date at which the experiment will be terminated.
* Include metrics and observations that will be collected during the
experiment.
* Include criteria by which success of the experiment will be
determined.
* Explain how reports of the success or failure of the experiment
will be brought to the IETF.
* Suggest planned next steps if the experiment is fully or partially
successful.
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When two protocol mechanisms are proposed to solve a single problem,
the IETF can initiate an experiment in which each protocol is
deployed. In this case, the same metrics should be collected in each
experiment.
2.1. Codepoints in Experimental RFCs
[RFC8126] describes guidelines for writing IANA Considerations
sections in RFCs. It lists a number of assignment policies that
apply to codepoint registries maintained by IANA.
Experimental RFCs cannot obtain codepoints from registries or parts
of registries that are managed under the following assignment
policies:
* Standards Action
* Hierarchical Allocation
An Experimental RFC may request and be granted codepoints from
registries or parts of registries that are managed under the
following assignment policies:
* First Come First Served
* Expert Review
* Specification Required
* RFC Required
* IETF Review
* IESG Approval
Consideration must be given to the fact that the experiment may be
temporary in nature and the protocol or protocol extensions may be
abandoned. If there is a scarcity of available codepoints in a
registry, even more caution should be applied to any codepoint
assignments.
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Some registries or parts of registries are marked as "For
Experimental Use: Not to be assigned." These ranges are specifically
intended for use by protocol experiments, and this may be
particularly valuable as described in [RFC3692]. But assigments are
not made from these codepoint ranges and Experimental RFCs must not
document any codepoints from such ranges. Instead, protocol
implementations should allow the codepoints to be configured so that
all implementations participating in an experiment can interoperate
and so that multiple experiments may co-exist in the same network.
Experiments may additionally use codepoints from Private Use ranges,
but these codepoints are also not recorded
Additionally, IANA will not create any new registries or sub-
registries as specified in Experimental RFCs. Experimental RFCs that
would otherwise ask for the creation of protocol registries can
simply enumerate the codepoints within the RFC.
[Editors' note: The first sentence in the previous paragraph is to be
verified by IANA.]
2.2. Requirements Level Language and Keywords
An Experimental RFC describing a protocol experiment may use BCP 14
requirements level language and keywords [RFC2119] [RFC8174] to help
clarify the description of the protocol or prtocol extension and the
expected behavior of implementations.
3. Experimental Reports
Experimental Reports should include the following information:
* Scale of deployment
* Effort required to deploy
- Was deployment incremental or network-wide?
- Was there a need to synchronize configurations at each node or
could nodes be configured independently
- Did the deployment require hardware upgrade?
* Effort required to secure
* Performance impact of risk mitigation
* Effectiveness of risk mitigation
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* Cost of risk mitigation
* Interoperability
* Did you deploy two inter-operable implementations?
* Did you experience interoperability problems?
* Effectiveness and sufficiency of OAM mechanism
4. IANA Considerations
This document does not make any requests of IANA, but see Section 2.1
for details of the use of codepoints in Experimental RFCs.
5. Security Considerations
As this document does not introduce any new protocols or operational
procedures, it does not introduce any new security considerations.
Experimental RFCs must include security and privacy considerations as
with any other RFC. As well as considering the security and privacy
implications of the protocol or protocol extensions, Experimental
RFCs should examine the implications for security and privacy of
running an experiment on the Internet.
6. Acknowledgements
The authors wish to acknowledge Dhruv Dhody for helpful discussions
of experimenal code points.
7. References
7.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/rfc/rfc2119>.
[RFC8126] Cotton, M., Leiba, B., and T. Narten, "Guidelines for
Writing an IANA Considerations Section in RFCs", BCP 26,
RFC 8126, DOI 10.17487/RFC8126, June 2017,
<https://www.rfc-editor.org/rfc/rfc8126>.
[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/rfc/rfc8174>.
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7.2. Informative References
[RFC2026] Bradner, S., "The Internet Standards Process -- Revision
3", BCP 9, RFC 2026, DOI 10.17487/RFC2026, October 1996,
<https://www.rfc-editor.org/rfc/rfc2026>.
[RFC3692] Narten, T., "Assigning Experimental and Testing Numbers
Considered Useful", BCP 82, RFC 3692,
DOI 10.17487/RFC3692, January 2004,
<https://www.rfc-editor.org/rfc/rfc3692>.
[RFC3933] Klensin, J. and S. Dawkins, "A Model for IETF Process
Experiments", BCP 93, RFC 3933, DOI 10.17487/RFC3933,
November 2004, <https://www.rfc-editor.org/rfc/rfc3933>.
[RFC8799] Carpenter, B. and B. Liu, "Limited Domains and Internet
Protocols", RFC 8799, DOI 10.17487/RFC8799, July 2020,
<https://www.rfc-editor.org/rfc/rfc8799>.
Authors' Addresses
Ron Bonica
Juniper Networks
Herndon, Virginia
United States of America
Email: rbonica@juniper.net
Adrian Farrel
Old Dog Consulting
United Kingdom
Email: adrian@olddog.co.uk
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