diff --git a/draft-ietf-core-href.html b/draft-ietf-core-href.html index bceeb6d..b35af46 100644 --- a/draft-ietf-core-href.html +++ b/draft-ietf-core-href.html @@ -15,29 +15,27 @@ environments with severe limitations on processing power, code size, and memory size. (This "cref" paragraph will be removed by the RFC editor:) -The present revision –15 of this draft continues -14 by picking up -more comments, such as moving to a CRI scheme number registration -system based on unsigned numbers. +The present revision –16 of this draft continues -15 by picking up +more comments; it was made specifically for IETF 120. This revision still contains open issues and is intended to serve as a snapshot. ' name="description"> - + @@ -1037,11 +1035,11 @@ Internet-Draft Constrained Resource Identifiers -June 2024 +July 2024 Bormann & Birkholz -Expires 4 December 2024 +Expires 23 January 2025 [Page] @@ -1057,12 +1055,12 @@ 7595 (if approved)
Published:
- +
Intended Status:
Standards Track
Expires:
-
+
Authors:
@@ -1087,9 +1085,8 @@

Abstract

environments with severe limitations on processing power, code size, and memory size.

(This "cref" paragraph will be removed by the RFC editor:)
-The present revision –15 of this draft continues -14 by picking up -more comments, such as moving to a CRI scheme number registration -system based on unsigned numbers. +The present revision –16 of this draft continues -15 by picking up +more comments; it was made specifically for IETF 120.
This revision still contains open issues and is intended to serve as a snapshot.

@@ -1128,7 +1125,7 @@

time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress."

- This Internet-Draft will expire on 4 December 2024.

+ This Internet-Draft will expire on 23 January 2025.

+

12. References @@ -3118,11 +3125,11 @@

[IANA.core-parameters]
-IANA, "Constrained RESTful Environments (CoRE) Parameters", <http://www.iana.org/assignments/core-parameters>.
+IANA, "Constrained RESTful Environments (CoRE) Parameters", , <https://www.iana.org/assignments/core-parameters>.

[IANA.uri-schemes]
-IANA, "Uniform Resource Identifier (URI) Schemes", <http://www.iana.org/assignments/uri-schemes>.
+IANA, "Uniform Resource Identifier (URI) Schemes", , <https://www.iana.org/assignments/uri-schemes>.
[RFC3987]
@@ -3183,7 +3190,7 @@

[I-D.ietf-cbor-edn-literals]
-Bormann, C., "CBOR Extended Diagnostic Notation (EDN): Application-Oriented Literals, ABNF, and Media Type", Work in Progress, Internet-Draft, draft-ietf-cbor-edn-literals-09, , <https://datatracker.ietf.org/doc/html/draft-ietf-cbor-edn-literals-09>.
+Bormann, C., "CBOR Extended Diagnostic Notation (EDN)", Work in Progress, Internet-Draft, draft-ietf-cbor-edn-literals-10, , <https://datatracker.ietf.org/doc/html/draft-ietf-cbor-edn-literals-10>.

[RFC4180]
@@ -3225,6 +3232,7 @@

+

@@ -5305,7 +5313,7 @@

The syntax of the content of cri literals can be described by the ABNF for URI-reference in Section 4.1 of RFC 3986 [STD66] with certain -re-arrangements taken from Figure 5 of [I-D.ietf-cbor-edn-literals]; +re-arrangements taken from Figure 5 of [I-D.ietf-cbor-edn-literals]; these are reproduced in Figure 2. If the content is not ASCII only (i.e., for IRIs), first apply Section 3.1 of [RFC3987] and apply this grammar to the result.

@@ -5419,77 +5427,84 @@

Appendix D. Change Log

This section is to be removed before publishing as an RFC.

-

Changes from -14 to -15

+

Changes from -15 to -16

  • -

    Make scheme numbers unsigned and map them to negative numbers used -as scheme-id values

    +

    Add note that CRI Scheme Number registrations are oblivious of the +actual URI Scheme registrations (if any).

-

Changes from -09 to -14

+

Changes from -14 to -15

  • -

    Editorial changes; move some examples to Appendix B, break up +

    Make scheme numbers unsigned and map them to negative numbers used +as scheme-id values

    +
    • +
+

Changes from -09 to -14

+ -

Changes from -08 to -09

+

Changes from -08 to -09

    -
  • -

    Identify more esoteric features with a CDDL ".feature".

    +
  • +

    Identify more esoteric features with a CDDL ".feature".

    • -
  • -

    Clarify that well-formedness requires removing trailing nulls.

    +
  • +

    Clarify that well-formedness requires removing trailing nulls.

    • -
  • -

    Fragments can contain PET.

    +
  • +

    Fragments can contain PET.

    • -
  • -

    Percent-encoded text in PET is treated as byte strings.

    +
  • +

    Percent-encoded text in PET is treated as byte strings.

    • -
  • -

    URIs with an authority but a completely empty path (e.g., +

  • +

    URIs with an authority but a completely empty path (e.g., http://example.com): CRIs with an authority component no longer -always produce at least a slash in the path component.

    -

    +always produce at least a slash in the path component.

    +

    For generic schemes, the conversion of scheme://example.com to a CRI is now possible because CRI produces a URI with an authority not followed by a slash @@ -5500,122 +5515,122 @@

    For these schemes, that equivalence allows implementations to convert the just-a-slash URI to a CRI with a zero length path array (which, however, when converted back, does not produce a slash after -the authority).

    -

    +the authority).

    +

    (Add an appendix "the small print" for more detailed discussion of -pesky corner cases like this.)

    -

    • -
-

Changes from -07 to -08

-
    -
  • -

    Fix the encoding of NOAUTH-NOSLASH / NOAUTH-LEADINGSLASH

    -
    • -
  • -

    Add URN and DID schemes, add example.

    -
    • -
  • -

    Add PET

    -
    • -
  • -

    Remove hopeless attempt to encode "remote trailing nulls" rule in -CDDL (which is not a transformation language).

    +pesky corner cases like this.)

-

Changes from -06 to -07

+

Changes from -07 to -08

  • -

    More explicitly discuss constraints (Section 2), add examples (Appendix B, Paragraph 6, Item 1).

    +

    Fix the encoding of NOAUTH-NOSLASH / NOAUTH-LEADINGSLASH

  • -

    Make CDDL more explicit about special simple values.

    +

    Add URN and DID schemes, add example.

  • -

    Lots of gratuitous changes from XML2RFC redefinition of <tt> -semantics.

    +

    Add PET

    +
    • +
  • +

    Remove hopeless attempt to encode "remote trailing nulls" rule in +CDDL (which is not a transformation language).

-

Changes from -05 to -06

+

Changes from -06 to -07

  • -

    rework authority:

    - +
  • +

    Lots of gratuitous changes from XML2RFC redefinition of <tt> +semantics.

-

Changes from -04 to -05

+

Changes from -05 to -06

  • -

    Simplify CBOR structure.

    +

    rework authority:

    +
      +
    • +

      split reg-names at dots;

      • -
    • -

      Add implementation status section.

      +
    • +

      add optional zone identifiers [RFC6874] to IP addresses

      +
      • +
-

Changes from -03 to -04:

+

Changes from -04 to -05

  • -

    Minor editorial improvements.

    +

    Simplify CBOR structure.

  • -

    Renamed path.type/path-type to discard.

    -
    • -
  • -

    Renamed option to section, substructured into items.

    -
    • -
  • -

    Simplified the table "resolution-variables".

    -
    • -
  • -

    Use the CBOR structure inspired by Jim Schaad's proposals.

    +

    Add implementation status section.

-

Changes from -02 to -03:

+

Changes from -03 to -04:

  • -

    Expanded the set of supported schemes (#3).

    +

    Minor editorial improvements.

  • -

    Specified creation, normalization and comparison (#9).

    +

    Renamed path.type/path-type to discard.

  • -

    Clarified the default value of the path.type option (#33).

    +

    Renamed option to section, substructured into items.

  • -

    Removed the append-relation path.type option (#41).

    +

    Simplified the table "resolution-variables".

  • -

    Renumbered the remaining path.types.

    -
    • -
  • -

    Renumbered the option numbers.

    -
    • -
  • -

    Restructured the document.

    -
    • -
  • -

    Minor editorial improvements.

    +

    Use the CBOR structure inspired by Jim Schaad's proposals.

-

Changes from -01 to -02:

+

Changes from -02 to -03:

  • -

    Changed the syntax of schemes to exclude upper case characters (#13).

    +

    Expanded the set of supported schemes (#3).

  • -

    Minor editorial improvements (#34 #37).

    +

    Specified creation, normalization and comparison (#9).

    +
    • +
  • +

    Clarified the default value of the path.type option (#33).

    +
    • +
  • +

    Removed the append-relation path.type option (#41).

    +
    • +
  • +

    Renumbered the remaining path.types.

    +
    • +
  • +

    Renumbered the option numbers.

    +
    • +
  • +

    Restructured the document.

    +
    • +
  • +

    Minor editorial improvements.

-

Changes from -00 to -01:

+

Changes from -01 to -02:

  • -

    None.

    +

    Changed the syntax of schemes to exclude upper case characters (#13).

    +
    • +
  • +

    Minor editorial improvements (#34 #37).

    +
    • +
+

Changes from -00 to -01:

+
    +
  • +

    None.

diff --git a/draft-ietf-core-href.txt b/draft-ietf-core-href.txt index f28fd1a..e5a0c72 100644 --- a/draft-ietf-core-href.txt +++ b/draft-ietf-core-href.txt @@ -6,7 +6,7 @@ CoRE Working Group C. Bormann, Ed. Internet-Draft Universität Bremen TZI Updates: 7595 (if approved) H. Birkholz Intended status: Standards Track Fraunhofer SIT -Expires: 4 December 2024 2 June 2024 +Expires: 23 January 2025 22 July 2024 Constrained Resource Identifiers @@ -23,10 +23,10 @@ Abstract // (This "cref" paragraph will be removed by the RFC editor:) The - // present revision –15 of this draft continues -14 by picking up - // more comments, such as moving to a CRI scheme number registration - // system based on unsigned numbers. This revision still contains - // open issues and is intended to serve as a snapshot. + // present revision –16 of this draft continues -15 by picking up + // more comments; it was made specifically for IETF 120. This + // revision still contains open issues and is intended to serve as a + // snapshot. About This Document @@ -53,9 +53,9 @@ Status of This Memo -Bormann & Birkholz Expires 4 December 2024 [Page 1] +Bormann & Birkholz Expires 23 January 2025 [Page 1] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 Internet-Drafts are working documents of the Internet Engineering @@ -68,7 +68,7 @@ Internet-Draft Constrained Resource Identifiers June 2024 time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on 4 December 2024. + This Internet-Draft will expire on 23 January 2025. Copyright Notice @@ -109,9 +109,9 @@ Table of Contents -Bormann & Birkholz Expires 4 December 2024 [Page 2] +Bormann & Birkholz Expires 23 January 2025 [Page 2] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 8. CoAP Integration . . . . . . . . . . . . . . . . . . . . . . 23 @@ -127,7 +127,7 @@ Internet-Draft Constrained Resource Identifiers June 2024 11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 27 11.1. CRI Scheme Numbers Registry . . . . . . . . . . . . . . 28 11.1.1. Instructions for the Designated Expert . . . . . . . 28 - 11.1.2. Structure of Entries . . . . . . . . . . . . . . . . 28 + 11.1.2. Structure of Entries . . . . . . . . . . . . . . . . 29 11.1.3. Initial Registrations . . . . . . . . . . . . . . . 29 11.2. Update to "Uniform Resource Identifier (URI) Schemes" Registry . . . . . . . . . . . . . . . . . . . . . . . . 29 @@ -137,14 +137,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 12. References . . . . . . . . . . . . . . . . . . . . . . . . . 30 12.1. Normative References . . . . . . . . . . . . . . . . . . 30 12.2. Informative References . . . . . . . . . . . . . . . . . 32 - Appendix A. Mapping Scheme Numbers to Scheme Names . . . . . . . 33 + Appendix A. Mapping Scheme Numbers to Scheme Names . . . . . . . 34 Appendix B. The Small Print . . . . . . . . . . . . . . . . . . 50 Appendix C. CBOR Extended Diagnostic Notation (EDN): The "cri" - Extension . . . . . . . . . . . . . . . . . . . . . . . . 51 - C.1. cri: ABNF Definition of URI Representation of a CRI . . . 52 - Appendix D. Change Log . . . . . . . . . . . . . . . . . . . . . 54 - Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 57 - Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . 57 + Extension . . . . . . . . . . . . . . . . . . . . . . . . 52 + C.1. cri: ABNF Definition of URI Representation of a CRI . . . 53 + Appendix D. Change Log . . . . . . . . . . . . . . . . . . . . . 55 + Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 58 + Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 58 1. Introduction @@ -165,9 +165,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 3] +Bormann & Birkholz Expires 23 January 2025 [Page 3] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 A URI reference is a sequence of characters chosen from the @@ -221,9 +221,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 4] +Bormann & Birkholz Expires 23 January 2025 [Page 4] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 The general structure of data items is shown in the Concise Data @@ -277,9 +277,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 5] +Bormann & Birkholz Expires 23 January 2025 [Page 5] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 C4. An IP address can be either an IPv4 address or an IPv6 address, @@ -333,9 +333,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 6] +Bormann & Birkholz Expires 23 January 2025 [Page 6] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 C10. A query always consists of one or more query parameters. A @@ -389,9 +389,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 7] +Bormann & Birkholz Expires 23 January 2025 [Page 7] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 (Full) CRIs that do not correspond to a valid URI are not valid on @@ -445,9 +445,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 8] +Bormann & Birkholz Expires 23 January 2025 [Page 8] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 * map the scheme name to lowercase (C1); @@ -501,9 +501,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 9] +Bormann & Birkholz Expires 23 January 2025 [Page 9] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 This section defines the representation of CRIs in Concise Binary @@ -557,9 +557,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 10] +Bormann & Birkholz Expires 23 January 2025 [Page 10] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 ; not expressed in this CDDL spec: trailing nulls to be left off @@ -613,9 +613,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 11] +Bormann & Birkholz Expires 23 January 2025 [Page 11] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 The rules scheme, authority, path, query, fragment correspond to the @@ -669,9 +669,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 12] +Bormann & Birkholz Expires 23 January 2025 [Page 12] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 5.1.2. The discard Section @@ -725,9 +725,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 13] +Bormann & Birkholz Expires 23 January 2025 [Page 13] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 5.1.4. Examples @@ -781,9 +781,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 14] +Bormann & Birkholz Expires 23 January 2025 [Page 14] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 * If discard is present in the transfer form (i.e., the outer array @@ -837,9 +837,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 15] +Bormann & Birkholz Expires 23 January 2025 [Page 15] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 The unprocessable CRI is treated as an opaque identifier that is @@ -893,9 +893,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 16] +Bormann & Birkholz Expires 23 January 2025 [Page 16] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 Set discard to true in the buffer. @@ -949,9 +949,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 17] +Bormann & Birkholz Expires 23 January 2025 [Page 17] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 An IRI can be converted to a CRI by first converting it to a URI @@ -1005,9 +1005,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 18] +Bormann & Birkholz Expires 23 January 2025 [Page 18] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 The value of a host-ip item MUST be represented as a string that @@ -1061,9 +1061,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 19] +Bormann & Birkholz Expires 23 January 2025 [Page 19] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 If the authority component is not present, but the scheme @@ -1117,9 +1117,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 20] +Bormann & Birkholz Expires 23 January 2025 [Page 20] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 https://alice/3%2f4-inch @@ -1173,9 +1173,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 21] +Bormann & Birkholz Expires 23 January 2025 [Page 21] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 userinfo = (false, text-or-pet .feature "userinfo") @@ -1229,9 +1229,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 22] +Bormann & Birkholz Expires 23 January 2025 [Page 22] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 | Unlike the text elements of a path or a query, which through @@ -1285,9 +1285,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 23] +Bormann & Birkholz Expires 23 January 2025 [Page 23] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 8.1.1. Decomposing a Request CRI into a set of CoAP Options @@ -1341,9 +1341,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 24] +Bormann & Birkholz Expires 23 January 2025 [Page 24] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 8. If »cri« has a query component, then, for each element in the @@ -1397,9 +1397,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 25] +Bormann & Birkholz Expires 23 January 2025 [Page 25] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 * its more lightweight variant, Proxy-Scheme @@ -1453,9 +1453,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 26] +Bormann & Birkholz Expires 23 January 2025 [Page 26] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 9. Implementation Status @@ -1509,9 +1509,9 @@ Internet-Draft Constrained Resource Identifiers June 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 27] +Bormann & Birkholz Expires 23 January 2025 [Page 27] -Internet-Draft Constrained Resource Identifiers June 2024 +Internet-Draft Constrained Resource Identifiers July 2024 11.1. CRI Scheme Numbers Registry @@ -1544,9 +1544,16 @@ Internet-Draft Constrained Resource Identifiers June 2024 strings that have not been registered in the Uniform Resource Identifier (URI) Schemes registry if and only if the expert considers them to be in wide use in place of URI scheme names in constrained - applications. (Note that the initial registrations in Table 6 in - Appendix A already include such registrations for the text strings - "mqtt" and "mqtts".) + applications. (Note that registrations in the CRI Scheme Numbers + registry are oblivious to the details of any URI Schemes registry + registration, so if a registration is later made in the URI Schemes + registry that uses such a previously unregistered text string as a + name, the CRI Scheme Numbers registration simply stays in place, even + if the URI Schemes registration happens to be for something different + from what the expert had in mind at the time for the CRI Scheme + Numbers registration. Also note that the initial registrations in + Table 6 in Appendix A already include such registrations for the text + strings "mqtt" and "mqtts".) A registration in the CRI Scheme Numbers registry does not imply that a URI scheme under this name exists or has been registered in the @@ -1554,21 +1561,22 @@ Internet-Draft Constrained Resource Identifiers June 2024 is only providing an integer identifier for an otherwise uninterpreted text string. - Any questions or issues that might interest a wider audience might be - raised by the expert on the core-parameters@ietf.org mailing list for - a time-limited discussion. -11.1.2. Structure of Entries - Each entry in the registry must include: +Bormann & Birkholz Expires 23 January 2025 [Page 28] + +Internet-Draft Constrained Resource Identifiers July 2024 -Bormann & Birkholz Expires 4 December 2024 [Page 28] - -Internet-Draft Constrained Resource Identifiers June 2024 + Any questions or issues that might interest a wider audience might be + raised by the expert on the core-parameters@ietf.org mailing list for + a time-limited discussion. +11.1.2. Structure of Entries + + Each entry in the registry must include: CRI scheme number: An unsigned integer unique in this registry @@ -1606,6 +1614,18 @@ Internet-Draft Constrained Resource Identifiers June 2024 IANA is requested to register the application-extension identifier cri as described in Table 4 and defined in Appendix C. + + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 29] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +=======================+=============+============+===========+ | Application-extension | Description | Change | Reference | | Identifier | | Controller | | @@ -1619,13 +1639,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 Application-extension Identifier for CRI - - -Bormann & Birkholz Expires 4 December 2024 [Page 29] - -Internet-Draft Constrained Resource Identifiers June 2024 - - // RFC Ed.: throughout this section, please replace RFC-XXXX with the // RFC number of this specification and remove this note. @@ -1658,6 +1671,17 @@ Internet-Draft Constrained Resource Identifiers June 2024 . At the time of writing, this BCP comprises the following: + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 30] + +Internet-Draft Constrained Resource Identifiers July 2024 + + Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, @@ -1671,17 +1695,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 . At the time of writing, this BCP comprises the following: - - - - - - -Bormann & Birkholz Expires 4 December 2024 [Page 30] - -Internet-Draft Constrained Resource Identifiers June 2024 - - 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, @@ -1698,12 +1711,12 @@ Internet-Draft Constrained Resource Identifiers June 2024 [IANA.core-parameters] IANA, "Constrained RESTful Environments (CoRE) - Parameters", - . + Parameters", 8 June 2012, + . [IANA.uri-schemes] - IANA, "Uniform Resource Identifier (URI) Schemes", - . + IANA, "Uniform Resource Identifier (URI) Schemes", 3 July + 2024, . [RFC3987] Duerst, M. and M. Suignard, "Internationalized Resource Identifiers (IRIs)", RFC 3987, DOI 10.17487/RFC3987, @@ -1714,6 +1727,17 @@ Internet-Draft Constrained Resource Identifiers June 2024 Resource Identifiers", RFC 6874, DOI 10.17487/RFC6874, February 2013, . + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 31] + +Internet-Draft Constrained Resource Identifiers July 2024 + + [RFC8610] Birkholz, H., Vigano, C., and C. Bormann, "Concise Data Definition Language (CDDL): A Notational Convention to Express Concise Binary Object Representation (CBOR) and @@ -1729,15 +1753,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 . At the time of writing, this STD comprises the following: - - - - -Bormann & Birkholz Expires 4 December 2024 [Page 31] - -Internet-Draft Constrained Resource Identifiers June 2024 - - Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform Resource Identifier (URI): Generic Syntax", STD 66, RFC 3986, DOI 10.17487/RFC3986, January 2005, @@ -1766,6 +1781,19 @@ Internet-Draft Constrained Resource Identifiers June 2024 RFC 8820, DOI 10.17487/RFC8820, June 2020, . + + + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 32] + +Internet-Draft Constrained Resource Identifiers July 2024 + + [I-D.carpenter-6man-rfc6874bis] Carpenter, B. E., Cheshire, S., and R. M. Hinden, "Representing IPv6 Zone Identifiers in Address Literals @@ -1775,25 +1803,17 @@ Internet-Draft Constrained Resource Identifiers June 2024 draft-carpenter-6man-rfc6874bis-03>. [I-D.ietf-cbor-edn-literals] - Bormann, C., "CBOR Extended Diagnostic Notation (EDN): - Application-Oriented Literals, ABNF, and Media Type", Work - in Progress, Internet-Draft, draft-ietf-cbor-edn-literals- - 09, 18 May 2024, . + Bormann, C., "CBOR Extended Diagnostic Notation (EDN)", + Work in Progress, Internet-Draft, draft-ietf-cbor-edn- + literals-10, 4 July 2024, + . [RFC4180] Shafranovich, Y., "Common Format and MIME Type for Comma- Separated Values (CSV) Files", RFC 4180, DOI 10.17487/RFC4180, October 2005, . - - - -Bormann & Birkholz Expires 4 December 2024 [Page 32] - -Internet-Draft Constrained Resource Identifiers June 2024 - - [RFC7228] Bormann, C., Ersue, M., and A. Keranen, "Terminology for Constrained-Node Networks", RFC 7228, DOI 10.17487/RFC7228, May 2014, @@ -1821,6 +1841,15 @@ Internet-Draft Constrained Resource Identifiers June 2024 . At the time of writing, this STD comprises the following: + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 33] + +Internet-Draft Constrained Resource Identifiers July 2024 + + Fielding, R., Ed., Nottingham, M., Ed., and J. Reschke, Ed., "HTTP Semantics", STD 97, RFC 9110, DOI 10.17487/RFC9110, June 2022, @@ -1842,14 +1871,6 @@ Appendix A. Mapping Scheme Numbers to Scheme Names Table 6 defines the initial mapping from CRI scheme numbers to URI scheme names. - - - -Bormann & Birkholz Expires 4 December 2024 [Page 33] - -Internet-Draft Constrained Resource Identifiers June 2024 - - +============+======================================+============+ | CRI scheme | URI scheme name | Reference | | number | | | @@ -1877,6 +1898,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 1059 | ms-gamingoverlay | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 1165 | snmp | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 34] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 1220 | cast | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -1898,14 +1927,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 1895 | news | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 34] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 1905 | irc6 | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 1926 | turns | [RFC-XXXX] | @@ -1933,6 +1954,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 2796 | taler | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 2806 | fm | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 35] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 2945 | ms-newsandinterests | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -1954,14 +1983,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 3365 | filesystem | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 35] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 3503 | proxy | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 3524 | sms | [RFC-XXXX] | @@ -1989,6 +2010,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 3920 | rtmp | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 3959 | ms-settings-proximity | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 36] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 4053 | fax | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2010,14 +2039,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 4419 | ipps | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 36] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 4515 | uuid-in-package | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 4549 | dhttp | [RFC-XXXX] | @@ -2045,6 +2066,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 4951 | submit | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 5099 | ar | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 37] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 5109 | ms-settings-airplanemode | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2066,14 +2095,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 5425 | irc | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 37] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 5472 | sieve | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 5477 | machineProvisioningProgressReporter | [RFC-XXXX] | @@ -2101,6 +2122,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 5990 | crid | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 6007 | at | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 38] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 6024 | hcp | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2122,14 +2151,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 6411 | ms-mixedrealitycapture | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 38] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 6462 | quic-transport | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 6503 | ham | [RFC-XXXX] | @@ -2157,6 +2178,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 6808 | moz | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 6840 | acd | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 39] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 6863 | ms-access | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2178,14 +2207,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 7285 | smb | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 39] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 7364 | appdata | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 7456 | dtn | [RFC-XXXX] | @@ -2213,6 +2234,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 7942 | microsoft.windows.camera.multipicker | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 8041 | msnim | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 40] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 8085 | ms-remotedesktop-launch | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2234,14 +2263,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 8519 | soap.beep | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 40] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 8577 | attachment | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 8601 | gopher | [RFC-XXXX] | @@ -2269,6 +2290,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 9198 | ms-settings-privacy | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 9204 | cap | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 41] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 9278 | com-eventbrite-attendee | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2290,14 +2319,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 9544 | simpleledger | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 41] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 9585 | mvn | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 9770 | keyparc | [RFC-XXXX] | @@ -2325,6 +2346,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 10196 | acr | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 10225 | barion | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 42] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 10229 | acct | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2346,14 +2375,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 10380 | dvb | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 42] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 10467 | xcon | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 10518 | ms-screenclip | [RFC-XXXX] | @@ -2381,6 +2402,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 10995 | telnet | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 11055 | gg | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 43] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 11060 | blob | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2402,14 +2431,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 11533 | smp | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 43] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 11537 | vnc | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 11583 | graph | [RFC-XXXX] | @@ -2437,6 +2458,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 11962 | ws | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 11999 | rtspu | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 44] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 12029 | ms-settings-displays-topology | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2458,14 +2487,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 12478 | qb | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 44] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 12493 | mss | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 12502 | ventrilo | [RFC-XXXX] | @@ -2493,6 +2514,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 12732 | spotify | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 12806 | fuchsia-pkg | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 45] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 12823 | ms-gamebarservices | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2514,14 +2543,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 13285 | snews | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 45] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 13340 | smtp | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 13348 | pack | [RFC-XXXX] | @@ -2549,6 +2570,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 13829 | otpauth | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 13846 | info | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 46] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 13862 | aaa | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2570,14 +2599,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 14180 | ms-settings-bluetooth | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 46] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 14310 | ms-enrollment | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 14347 | dntp | [RFC-XXXX] | @@ -2605,6 +2626,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 14860 | ms-whiteboard-cmd | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 14867 | wifi | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 47] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 14868 | icon | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2626,14 +2655,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 15118 | simplex | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 47] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 15163 | ms-visio | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 15202 | cid | [RFC-XXXX] | @@ -2661,6 +2682,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 15645 | ms-meetnow | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 15679 | ms-search-repair | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 48] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 15773 | ms-settings-camera | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2682,14 +2711,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 +------------+--------------------------------------+------------+ | 16138 | drop | [RFC-XXXX] | +------------+--------------------------------------+------------+ - - - -Bormann & Birkholz Expires 4 December 2024 [Page 48] - -Internet-Draft Constrained Resource Identifiers June 2024 - - | 16194 | ms-publisher | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 16281 | leaptofrogans | [RFC-XXXX] | @@ -2717,6 +2738,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 | 16933 | ipns | [RFC-XXXX] | +------------+--------------------------------------+------------+ | 17039 | swh | [RFC-XXXX] | + + + +Bormann & Birkholz Expires 23 January 2025 [Page 49] + +Internet-Draft Constrained Resource Identifiers July 2024 + + +------------+--------------------------------------+------------+ | 17068 | pwid | [RFC-XXXX] | +------------+--------------------------------------+------------+ @@ -2739,13 +2768,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 Table 6: Mapping Scheme Numbers to Scheme Names - - -Bormann & Birkholz Expires 4 December 2024 [Page 49] - -Internet-Draft Constrained Resource Identifiers June 2024 - - The assignments from this table can be extracted from the XML form of this document (when stored in a file "this.xml") into CSV form [RFC4180] using this short Ruby program: @@ -2773,6 +2795,13 @@ Appendix B. The Small Print discussing HTTP semantics, Section 6.2.3 of RFC 3986 [STD66] states: + + +Bormann & Birkholz Expires 23 January 2025 [Page 50] + +Internet-Draft Constrained Resource Identifiers July 2024 + + | In general, a URI that uses the generic syntax for authority with | an empty path should be normalized to a path of "/". @@ -2793,15 +2822,6 @@ Appendix B. The Small Print * https://host%ffname, https://example.com/x?data=%ff - - - - -Bormann & Birkholz Expires 4 December 2024 [Page 50] - -Internet-Draft Constrained Resource Identifiers June 2024 - - All URI components must, after percent decoding, be valid UTF-8 encoded text. Bytes that are not valid UTF-8 show up, for example, in BitTorrent web seeds. @@ -2830,6 +2850,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 * https://alice@example.com/ + + + +Bormann & Birkholz Expires 23 January 2025 [Page 51] + +Internet-Draft Constrained Resource Identifiers July 2024 + + The user information can be expressed in CRIs if the "userinfo" feature is present. The URI https://@example.com is represented as [-4, [false, "", "example", "com"]]; the @@ -2850,14 +2878,6 @@ Appendix C. CBOR Extended Diagnostic Notation (EDN): The "cri" point for "application-extension identifiers" that can be used to notate CBOR data items in application-specific ways. - - - -Bormann & Birkholz Expires 4 December 2024 [Page 51] - -Internet-Draft Constrained Resource Identifiers June 2024 - - The present document defines and registers (Section 11.3) the application-extension identifier "cri", which can be used to notate an EDN literal for a CRI reference as defined in this document. @@ -2883,6 +2903,17 @@ Internet-Draft Constrained Resource Identifiers June 2024 See Appendix C.1 for an ABNF definition for the content of cri literals. + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 52] + +Internet-Draft Constrained Resource Identifiers July 2024 + + C.1. cri: ABNF Definition of URI Representation of a CRI The syntax of the content of cri literals can be described by the @@ -2906,14 +2937,6 @@ C.1. cri: ABNF Definition of URI Representation of a CRI absolute-URI = scheme ":" hier-part [ "?" query ] - - - -Bormann & Birkholz Expires 4 December 2024 [Page 52] - -Internet-Draft Constrained Resource Identifiers June 2024 - - relative-ref = relative-part [ "?" query ] [ "#" fragment ] relative-part = "//" authority path-abempty @@ -2939,6 +2962,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 / "::" 5( h16 ":" ) ls32 / [ h16 ] "::" 4( h16 ":" ) ls32 / [ h16 *1( ":" h16 ) ] "::" 3( h16 ":" ) ls32 + + + +Bormann & Birkholz Expires 23 January 2025 [Page 53] + +Internet-Draft Constrained Resource Identifiers July 2024 + + / [ h16 *2( ":" h16 ) ] "::" 2( h16 ":" ) ls32 / [ h16 *3( ":" h16 ) ] "::" h16 ":" ls32 / [ h16 *4( ":" h16 ) ] "::" ls32 @@ -2962,14 +2993,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 path = path-abempty ; begins with "/" or is empty / path-absolute ; begins with "/" but not "//" - - - -Bormann & Birkholz Expires 4 December 2024 [Page 53] - -Internet-Draft Constrained Resource Identifiers June 2024 - - / path-noscheme ; begins with a non-colon segment / path-rootless ; begins with a segment / path-empty ; zero characters @@ -2995,6 +3018,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" reserved = gen-delims / sub-delims + + + +Bormann & Birkholz Expires 23 January 2025 [Page 54] + +Internet-Draft Constrained Resource Identifiers July 2024 + + gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "=" @@ -3005,6 +3036,11 @@ Appendix D. Change Log This section is to be removed before publishing as an RFC. + Changes from -15 to -16 + + * Add note that CRI Scheme Number registrations are oblivious of the + actual URI Scheme registrations (if any). + Changes from -14 to -15 * Make scheme numbers unsigned and map them to negative numbers used @@ -3017,15 +3053,6 @@ Appendix D. Change Log from) CoAP Options; mention failure of percent-encoding for dots in host-name components - - - - -Bormann & Birkholz Expires 4 December 2024 [Page 54] - -Internet-Draft Constrained Resource Identifiers June 2024 - - * Explicitly mention invalid case in Section 2.1, Paragraph 5, Item 3 (rootless CRIs without authority that do not have a path component) @@ -3048,6 +3075,13 @@ Internet-Draft Constrained Resource Identifiers June 2024 * Add Christian Amsüss as contributor + + +Bormann & Birkholz Expires 23 January 2025 [Page 55] + +Internet-Draft Constrained Resource Identifiers July 2024 + + * Add CBOR EDN application-extension "cri" (see Appendix C and Section 11.3). @@ -3074,14 +3108,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 Section 6.1. Schemes like http and coap do not distinguish between the empty path and the path containing a single slash when an authority is set (as recommended in [STD66]). For these - - - -Bormann & Birkholz Expires 4 December 2024 [Page 55] - -Internet-Draft Constrained Resource Identifiers June 2024 - - schemes, that equivalence allows implementations to convert the just-a-slash URI to a CRI with a zero length path array (which, however, when converted back, does not produce a slash after the @@ -3103,6 +3129,15 @@ Internet-Draft Constrained Resource Identifiers June 2024 Changes from -06 to -07 + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 56] + +Internet-Draft Constrained Resource Identifiers July 2024 + + * More explicitly discuss constraints (Section 2), add examples (Appendix B, Paragraph 6, Item 1). @@ -3131,13 +3166,6 @@ Internet-Draft Constrained Resource Identifiers June 2024 * Renamed path.type/path-type to discard. - - -Bormann & Birkholz Expires 4 December 2024 [Page 56] - -Internet-Draft Constrained Resource Identifiers June 2024 - - * Renamed option to section, substructured into items. * Simplified the table "resolution-variables". @@ -3158,6 +3186,14 @@ Internet-Draft Constrained Resource Identifiers June 2024 * Renumbered the option numbers. + + + +Bormann & Birkholz Expires 23 January 2025 [Page 57] + +Internet-Draft Constrained Resource Identifiers July 2024 + + * Restructured the document. * Minor editorial improvements. @@ -3186,14 +3222,6 @@ Acknowledgements Contributors - - - -Bormann & Birkholz Expires 4 December 2024 [Page 57] - -Internet-Draft Constrained Resource Identifiers June 2024 - - Klaus Hartke Ericsson Torshamnsgatan 23 @@ -3211,6 +3239,17 @@ Internet-Draft Constrained Resource Identifiers June 2024 Authors' Addresses + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 58] + +Internet-Draft Constrained Resource Identifiers July 2024 + + Carsten Bormann (editor) Universität Bremen TZI Postfach 330440 @@ -3245,4 +3284,21 @@ Authors' Addresses -Bormann & Birkholz Expires 4 December 2024 [Page 58] + + + + + + + + + + + + + + + + + +Bormann & Birkholz Expires 23 January 2025 [Page 59]