Internet DRAFT - draft-sipos-bpv7-admin-iana
draft-sipos-bpv7-admin-iana
Delay-Tolerant Networking B. Sipos
Internet-Draft JHU APL
Updates: -ietf-dtn-bpbis (if approved) 13 October 2021
Intended status: Standards Track
Expires: 16 April 2022
Bundle Protocol Version 7 Administrative Record Types Registry
draft-sipos-bpv7-admin-iana-00
Abstract
This document clarifies that a Bundle Protocol Version 7 agent is
intended to use an IANA sub-registry for Administrative Record types.
It also makes a code point reservation for private or experimental
use.
Status of This Memo
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
2. Administrative Record Types Registry . . . . . . . . . . . . 3
3. Security Considerations . . . . . . . . . . . . . . . . . . . 3
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3
4.1. Bundle Administrative Record Types . . . . . . . . . . . 3
5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 4
6. References . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.1. Normative References . . . . . . . . . . . . . . . . . . 4
6.2. Informative References . . . . . . . . . . . . . . . . . 5
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction
The earlier Bundle Protocol (BP) Version 6 (BPv6) defined an IANA
sub-registry for Administrative Record type code points under
[IANA-BP]. When Bundle Protocol Version 7 (BPv7) was published in
[I-D.ietf-dtn-bpbis] it included an explicit table of Administrative
Record types but made no mention of an IANA registry nor a
requirement for BPv7 agents to be extensible in how they handle
Administrative Record types. The BPv7 specification also did not
discriminate between code point reservations and unassigned ranges
for Administrative Record types.
This document updates BPv7 to explicitly use the IANA Administrative
Record type registry in Section 2. This document also makes a
reservation of high-valued code points for private or experimental
use to avoid collisions with assigned code points.
1.1. Scope
This document describes updates to the IANA Administrative Record
type sub-registry and how a BPv7 agent is supposed to use that
registry for identifying Administrative Record types.
This document does not specify how BPv6 and BPv7 can interoperate for
overlapping code points or how a specific code point is to be
interpreted either similarly or differently between Bundle Protocol
versions. It is up to each individual Administrative Record type
specification to define how it relates to each BP version.
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1.2. Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP
14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
2. Administrative Record Types Registry
This document updates the requirements in Section 6.1 of
[I-D.ietf-dtn-bpbis] to use an existing IANA registry and updates
that sub-registry in Section 4.1.
Instead of using the explicit list of types in Table 3 of
[I-D.ietf-dtn-bpbis], a BPv7 Agent SHALL interpret Administrative
Record type code values in accordance with the IANA "Bundle
Administrative Record Types" sub-registry under [IANA-BP] for entries
having a "Bundle Protocol Version" of 7.
3. Security Considerations
This document does not define any requirements or structures which
introduce new security considerations.
The existing security considerations of [I-D.ietf-dtn-bpbis] still
apply when using the IANA Administrative Record Types sub-registry.
4. IANA Considerations
This specification modifies a BPv6 sub-registry to extend BPv7.
4.1. Bundle Administrative Record Types
Within the "Bundle Protocol" registry [IANA-BP], the "Bundle
Administrative Record Types" sub-registry has been updated to include
a leftmost "Bundle Protocol Version" column. The existing sub-
registry entries have been updated to have BP versions as in the
following table.
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+=================+=======+===============+======================+
| Bundle Protocol | Value | Description | Reference |
| Version | | | |
+=================+=======+===============+======================+
| 6,7 | 0 | Reserved | [RFC7116] |
+-----------------+-------+---------------+----------------------+
| 6,7 | 1 | Bundle status | [RFC5050] |
| | | report | [I-D.ietf-dtn-bpbis] |
+-----------------+-------+---------------+----------------------+
| 6 | 2 | Custody | [RFC5050] |
| | | signal | |
+-----------------+-------+---------------+----------------------+
| 6,7 | 3-15 | Unassigned | |
+-----------------+-------+---------------+----------------------+
Table 1
Within the "Bundle Protocol" registry [IANA-BP], the following
entries have been added to the "Bundle Administrative Record Types"
sub-registry.
+=================+============+==================+===============+
| Bundle Protocol | Value | Description | Reference |
| Version | | | |
+=================+============+==================+===============+
| 7 | 16-65535 | Unassigned | |
+-----------------+------------+------------------+---------------+
| 7 | greater | Reserved for | This |
| | than 65535 | Private or | specification |
| | | Experimental Use | |
+-----------------+------------+------------------+---------------+
Table 2
5. Acknowledgments
6. References
6.1. Normative References
[IANA-BP] IANA, "Bundle Protocol",
<https://www.iana.org/assignments/bundle/>.
[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/info/rfc2119>.
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[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/info/rfc8174>.
[I-D.ietf-dtn-bpbis]
Burleigh, S., Fall, K., and E. J. Birrane, "Bundle
Protocol Version 7", Work in Progress, Internet-Draft,
draft-ietf-dtn-bpbis-31, 25 January 2021,
<https://datatracker.ietf.org/doc/html/draft-ietf-dtn-
bpbis-31>.
6.2. Informative References
[RFC5050] Scott, K. and S. Burleigh, "Bundle Protocol
Specification", RFC 5050, DOI 10.17487/RFC5050, November
2007, <https://www.rfc-editor.org/info/rfc5050>.
[RFC7116] Scott, K. and M. Blanchet, "Licklider Transmission
Protocol (LTP), Compressed Bundle Header Encoding (CBHE),
and Bundle Protocol IANA Registries", RFC 7116,
DOI 10.17487/RFC7116, February 2014,
<https://www.rfc-editor.org/info/rfc7116>.
Author's Address
Brian Sipos
The Johns Hopkins University Applied Physics Laboratory
11100 Johns Hopkins Rd.
Laurel, MD 20723
United States of America
Email: brian.sipos+ietf@gmail.com
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