Dear RFC editor team,

sorry for the late reply. Find our answers and additional requests inline.

On 3/6/26 04:05, [email protected] wrote:
Authors,

While reviewing this document during AUTH48, please resolve (as necessary) the 
following questions, which are also in the source file.


1) <!-- [rfced] FYI - We updated [I-D.ietf-core-dns-over-coap] to [PRE-RFC9953]
for now. We will make the final updates in RFCXML (i.e., remove "PRE-").
-->

ACK.

2) <!--[rfced] Author Names

a) Thomas, we note "T. C. Schmidt" in the document header; however, the
majority of past RFCs have used "T. Schmidt". Which form do you prefer?

From Thomas offline: I prefer "T. C. Schmidt".

b) Martine, please confirm if you prefer "M. S. Lenders" or "M. Lenders"
in the document header.

Note that we will apply your responses to both this document and
RFC-to-be 9953.
-->

Yes, I prefer "M. S. Lenders". Please also make sure, that my initials are spelled out as "M. S. Lenders" in the "[DoC-paper]" reference of RFC-to-be 9953. As far as I can tell, this is already the case for IETF-internal references, but please check also in the other references.

3) <!--[rfced] Document Title

a) Please note that the document title has been updated as follows.
Abbreviations have been expanded per Section 3.6 of RFC 7322 ("RFC Style
Guide").

In addition, is "Specification" essential to the title or may it be removed
for conciseness?

Original (document title):
    ALPN ID Specification for CoAP over DTLS

Current:
    The Application-Layer Protocol Negotiation (ALPN) ID Specification for
    the Constrained Application Protocol (CoAP) over DTLS

Perhaps:
    Application-Layer Protocol Negotiation (ALPN) ID for
    the Constrained Application Protocol (CoAP) over DTLS

Please consider CoAP for inclusion in the list of abbreviations that are well-known (https://www.rfc-editor.org/rpc/wiki/doku.php?id=abbrev_list). There have been over 20 RFCs in which it has been expanded, exceeding (for example) the number of published documents on the well-known 6LoWPAN. For people only tangentially familiar with the topic (say, someone coming from competing technologies), chances are they are even *more* familiar with the acronym than the expansion.

This document would be a particularly good starting point for treating it as well-known because the document is of no use to anyone who is not already familiar with CoAP. Our preferred title would be

  Application-Layer Protocol Negotiation (ALPN) ID for CoAP over DTLS

If that is really no option, we like the second proposal better.

  Application-Layer Protocol Negotiation (ALPN) ID for the Constrained
  Application Protocol (CoAP) over DTLS

See also https://mailarchive.ietf.org/arch/msg/auth48archive/jNx8TbolOmUX39l-Hgq2BRNmuV4/

b) For the short title that spans the header of the PDF file, should "CoRE
ALPN" be updated to "ALPN ID for CoAP over DTLS" to more closely match the
document title?

Original (short title):
    CoRE ALPN

Perhaps:
    ALPN ID for CoAP over DTLS
-->

ACK.

4) <!-- [rfced] Abstract: Should the abstract mention DTLS?

Original:
    This document specifies an Application-Layer Protocol Negotiation
    (ALPN) ID for transport-layer-secured Constrained Application
    Protocol (CoAP) services.

Perhaps (similar to text in the Introduction):
    This document specifies an Application-Layer Protocol Negotiation
    (ALPN) ID for Constrained Application
    Protocol (CoAP) services that are secured by DTLS.
-->

ACK.

5) <!-- [rfced] Introduction: We updated "by transport layer security using 
DTLS"
to "by TLS using DTLS" here. Would further updating as shown below improve
this sentence?

Original:
    This document
    specifies an ALPN ID for CoAP services that are secured by transport
    layer security using DTLS.

Current:
    This document
    specifies an ALPN ID for CoAP services that are secured by TLS
    using DTLS.

Perhaps:
    This document
    specifies an ALPN ID for CoAP services that are secured
    by DTLS.
-->

Please use the "Perhaps" version since the text in the "Current" version is technically incorrect.

6) <!--[rfced] Please review the "Inclusive Language" portion of the online 
Style
Guide <https://www.rfc-editor.org/styleguide/part2/#inclusive_language> and
let us know if any changes are needed.  Updates of this nature typically
result in more precise language, which is helpful for readers.

Note that our script did not flag any words in particular, but this should
still be reviewed as a best practice.
-->

Thanks! To the best of our abilities, we did not find any potentially remaining non-inclusive wordings in the document.

--------------------------------------

## Additional Requests

Please append the following sentence to the acknowledgements:

> This work was supported in parts by the German Federal Ministry of Research, Technology, and Space (BMFTR) under the grant numbers 16KIS1386K (TU Dresden) and 16KIS1387 (HAW Hamburg) within the research project PIVOT and under the grant numbers 16KIS1694K (TU Dresden) and 16KIS1695 (HAW Hamburg) within the research project C-ray4edge.

Thank you.

Thank you!
Martine


Karen Moore and Rebecca VanRheenen
RFC Production Center



On Mar 5, 2026, at 6:59 PM, [email protected] wrote:

*****IMPORTANT*****

Updated 2026/03/05

RFC Author(s):
--------------

Your document has now entered AUTH48.

The document was edited in kramdown-rfc as part of the RPC pilot test (see
https://www.rfc-editor.org/rpc/wiki/doku.php?id=pilot_test_kramdown_rfc).

Please review the procedures for AUTH48 using kramdown-rfc:

https://www.rfc-editor.org/rpc/wiki/doku.php?id=pilot_test_instructions_completing_auth48_using_kramdown

Once your document has completed AUTH48, it will be published as
an RFC.


Files
-----

The files are available here:
   https://www.rfc-editor.org/authors/rfc9952.md
   https://www.rfc-editor.org/authors/rfc9952.html
   https://www.rfc-editor.org/authors/rfc9952.pdf
   https://www.rfc-editor.org/authors/rfc9952.txt

Diff file of the text:
   https://www.rfc-editor.org/authors/rfc9952-diff.html
   https://www.rfc-editor.org/authors/rfc9952-rfcdiff.html (side by side)

Diff of the kramdown:
   https://www.rfc-editor.org/authors/rfc9952-md-diff.html
   https://www.rfc-editor.org/authors/rfc9952-md-rfcdiff.html (side by side)


Tracking progress
-----------------

The details of the AUTH48 status of your document are here:
  https://www.rfc-editor.org/auth48/rfc9952


Please let us know if you have any questions.

Thank you for your cooperation,

RFC Editor


--------------------------------------
RFC9952 (draft-ietf-core-coap-dtls-alpn-05)

Title            : ALPN ID Specification for CoAP over DTLS
Author(s)        : M. S. Lenders, C. Amsüss, T. C. Schmidt, M. Wählisch
WG Chair(s)      : Jaime Jimenez, Marco Tiloca
Area Director(s) : Gorry Fairhurst, Mike Bishop

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