Hi Sandy,

I approve the publication.

Thank you and Deb for the help and the patience.

Regards,
Valery.

> Hi Valery and Deb,
> 
> We updated the text to use “in general”.  It doesn’t hurt to emphasize the 
> point, but
> we also note the bullet just prior to this paragraph also indicates that the 
> properties
> are interpreted in a broad sense.
> 
> Current:
> 
>    *  The properties of sequence numbers are interpreted in a broad
>       sense, which includes the case when sequence numbers are absent.
> 
>    Given this updated definition, Transform Type 5 in the "Transform
>    Type Values" registry [IKEV2-IANA] has been renamed from "Extended
>    Sequence Numbers (ESN)" to "Sequence Numbers (SN)" in the sense that
>    it defines the properties of the sequence numbers in general.
> 
> 
> The current files are available here:
>    https://www.rfc-editor.org/authors/rfc9827.xml
>    https://www.rfc-editor.org/authors/rfc9827.txt
>    https://www.rfc-editor.org/authors/rfc9827.pdf
>    https://www.rfc-editor.org/authors/rfc9827.html
> 
> Diffs of the most recent update only:
>    https://www.rfc-editor.org/authors/rfc9827-lastdiff.html
>    https://www.rfc-editor.org/authors/rfc9827-lastrfcdiff.html (side by side)
> 
> AUTH48 diffs:
>    https://www.rfc-editor.org/authors/rfc9827-auth48diff.html
>    https://www.rfc-editor.org/authors/rfc9827-auth48rfcdiff.html (side by 
> side)
> 
> Comprehensive diffs:
>    https://www.rfc-editor.org/authors/rfc9827-diff.html
>    https://www.rfc-editor.org/authors/rfc9827-rfcdiff.html (side by side)
> 
> 
> Please review and let us know if any further updates are needed or if you 
> approve
> the RFC for publication.
> 
> Thank you,
> 
> Sandy Ginoza
> RFC Production Center
> 
> 
> 
> > On Aug 18, 2025, at 3:49 AM, Valery Smyslov <[email protected]> wrote:
> >
> > Hi Deb,
> >
> > thank you for the help. Unless Sandy proposes something better,
> > I think that changing to "in general" is acceptable. I'd rather keep
> > these trailing words to remind that "properties" are interpreted
> > rather broadly (e.g., they include the case when there is no sequence 
> > numbers
> at all).
> >
> > Regards,
> > Valery.
> >
> > From: Deb Cooley <[email protected]>
> > Sent: 18 августа 2025 г. 13:05
> > To: Valery Smyslov <[email protected]>
> > Cc: Sandy Ginoza <[email protected]>; RFC Editor <rfc-editor@rfc-
> editor.org>; [email protected]; [email protected]; Tero Kivinen
> <[email protected]>; auth48archive <[email protected]>
> > Subject: [***SPAM***] [***SPAM***] Re: [***SPAM***] [***SPAM***] Re: AUTH48:
> RFC-to-be 9827 <draft-ietf-ipsecme-ikev2-rename-esn-05> for your review
> >
> > I agree it isn't ideal.  I think we could just remove 'in a broad sense'.  
> > Or change
> the last phrase to 'in general'.
> >
> > Deb
> >
> > On Mon, Aug 18, 2025 at 1:59 AM Valery Smyslov <[email protected]> wrote:
> >> Hi Sandy,
> >>
> >> after re-reading the latest changes I realized that in the text I proposed 
> >> (Section
> 3):
> >>
> >>    Given this updated definition, Transform Type 5 in the "Transform
> >>    Type Values" registry [IKEV2-IANA] has been renamed from "Extended
> >>    Sequence Numbers (ESN)" to "Sequence Numbers (SN)" in the sense that
> >>    it defines the properties of the sequence numbers in a broad sense.
> >>
> >> the word "sense" is used twice in a single sentence. In my native language
> >> (Russian) this is considered as a bad style and authors are
> >> advised to avoid it whenever possible. I'm not so sure about English,
> >> but if the rules are similar, then perhaps the text should be re-phrased.
> >>
> >> I rely on your opinion whether the current text is acceptable from style 
> >> point of
> view.
> >> If it is problematic, then perhaps you can advise how to avoid the double 
> >> use of
> "sense" here.
> >>
> >> Thank you.
> >>
> >> Regards,
> >> Valery.
> >>
> >> > Hi Valery and Deb*,
> >> >
> >> > *Deb, thank you for your review.  We have noted your approval on the
> AUTH48
> >> > page <https://www.rfc-editor.org/auth48/rfc9827>.
> >> >
> >> > Valery, we have updated the document as described — thank you for
> catching
> >> > the typo!  As we believe the content is stable, we will ask IANA to 
> >> > update their
> >> > registry notes to match the edited text in this document.
> >> >
> >> > Note that we have not yet marked your approval.  We will check in for a 
> >> > final
> >> > approval once draft-ietf-ipsecme-g-ikev2 is also in AUTH48 and we have
> >> > updated the reference.
> >> >
> >> > The current files are available here:
> >> >    https://www.rfc-editor.org/authors/rfc9827.txt
> >> >    https://www.rfc-editor.org/authors/rfc9827.pdf
> >> >    https://www.rfc-editor.org/authors/rfc9827.html
> >> >    https://www.rfc-editor.org/authors/rfc9827.xml
> >> >
> >> > Diffs of most recent updates only:
> >> >    https://www.rfc-editor.org/authors/rfc9827-lastdiff.html
> >> >    https://www.rfc-editor.org/authors/rfc9827-lastrfcdiff.html (side by 
> >> > side)
> >> >
> >> > AUTH48 diffs:
> >> >    https://www.rfc-editor.org/authors/rfc9827-auth48diff.html
> >> >    https://www.rfc-editor.org/authors/rfc9827-auth48rfcdiff.html (side 
> >> > by side)
> >> >
> >> > Comprehensive diffs:
> >> >    https://www.rfc-editor.org/authors/rfc9827-diff.html
> >> >    https://www.rfc-editor.org/authors/rfc9827-rfcdiff.html (side by side)
> >> >
> >> >
> >> > Please let us know if you have any questions or if any further updates 
> >> > are
> >> > needed.
> >> >
> >> > Thank you,
> >> > Sandy Ginoza
> >> > RFC Production Center
> >> >
> >> >
> >> >
> >> > > On Aug 8, 2025, at 8:19 AM, Valery Smyslov <[email protected]> wrote:
> >> > >
> >> > > Hi Sandy,
> >> > >
> >> > > please, see inline.
> >> > >
> >> > >> -----Original Message-----
> >> > >> From: Sandy Ginoza <[email protected]>
> >> > >> Sent: Friday, August 8, 2025 5:23 PM
> >> > >> To: Valery Smyslov <[email protected]>; Deb Cooley
> <[email protected]>
> >> > >> Cc: RFC Editor <[email protected]>; [email protected];
> >> > >> ipsecme- [email protected]; Tero Kivinen <[email protected]>;
> >> > >> auth48archive <auth48archive@rfc- editor.org>
> >> > >> Subject: [***SPAM***] [***SPAM***] [AD - Deb] Re: AUTH48: RFC-to-be
> >> > >> 9827 <draft-ietf-ipsecme-ikev2-rename-esn-05> for your review
> >> > >>
> >> > >> Hi Valery and Deb*,
> >> > >>
> >> > >> *Deb, please review the change to the first bullet in Section 3 and
> >> > >> let us know if you approve.  This update can be viewed in the AUTH48 
> >> > >> diff
> >> > files (see below).
> >> > >>
> >> > >> Valery, thank you for your review and for the explanations you
> >> > >> provided.  The current files are available here:
> >> > >>   https://www.rfc-editor.org/authors/rfc9827.xml
> >> > >>   https://www.rfc-editor.org/authors/rfc9827.txt
> >> > >>   https://www.rfc-editor.org/authors/rfc9827.pdf
> >> > >>   https://www.rfc-editor.org/authors/rfc9827.html
> >> > >>
> >> > >> AUTH48 diffs (diffs since the document entered AUTH48):
> >> > >>   https://www.rfc-editor.org/authors/rfc9827-auth48diff.html
> >> > >>   https://www.rfc-editor.org/authors/rfc9827-auth48rfcdiff.html (side
> >> > >> by side)
> >> > >>
> >> > >> Comprehensive diffs:
> >> > >>   https://www.rfc-editor.org/authors/rfc9827-diff.html
> >> > >>   https://www.rfc-editor.org/authors/rfc9827-rfcdiff.html (side by
> >> > >> side)
> >> > >>
> >> > >>
> >> > >> A few notes:
> >> > >>
> >> > >> a) During IETF, we believe you mentioned double-checking potential
> >> > >> changes for the IANA registries set up by the docs in
> >> > >> https://www.rfc- editor.org/cluster_info.php?cid=C532.  We believe
> >> > >> the IANA-related text in this document aligns with the IANA registry,
> >> > >> but please review and let us know if any updates are needed.
> >> > >
> >> > > Yes, I double-checked the IANA-related text in the draft and the text 
> >> > > in the
> >> > registry and they match.
> >> > > The only difference I found is the use of "the" articles in the notes, 
> >> > > which I
> >> > mentioned in item 7.
> >> > >
> >> > >> b) We have added a note to the AUTH48 page that this document should
> >> > >> be published together with draft-ietf-ipsecme-g-ikev2.  The reference
> >> > >> will be updated once that document enters AUTH48.
> >> > >
> >> > > Got it, thank you.
> >> > >
> >> > >> c) Regarding item 5 below, please note that we did not make any
> >> > >> updates, as we don’t think the “implied meaning” is needed based on
> >> > >> your explanation. However, please let us know if you prefer the NEW 
> >> > >> text
> >> > you provided:
> >> > >>
> >> > >>> NEW:
> >> > >>> Given this updated definition, Transform Type 5 in the "Transform
> >> > >>> Type Values" registry [IKEV2-IANA] has been renamed from "Extended
> >> > >>> Sequence Numbers (ESN)" to "Sequence Numbers (SN)" with the
> implied
> >> > >>> meaning, that it defines the properties of the sequence numbers in a
> >> > broad sense.
> >> > >>>
> >> > >>> Is it better with regard to readability?
> >> > >
> >> > > I still think that clarification is helpful. Perhaps:
> >> > >
> >> > > NEW:
> >> > >  Given this updated definition, Transform Type 5 in the "Transform
> >> > > Type  Values" registry [IKEV2-IANA] has been renamed from "Extended
> >> > > Sequence  Numbers (ESN)" to "Sequence Numbers (SN)" in the sense,
> >> > > that it defines the properties of the sequence numbers in a broad 
> >> > > sense.
> >> > >
> >> > > The purpose of this clarification is to draw readers' attention, that
> >> > > while the new name is very similar to the old one (only the word
> >> > > "Extended" is removed), the meaning is completely different -
> >> > > previously this transform simply defined whether Extended Sequence
> >> > > Numbers are on or off, and now it defines a set of sequence numbers
> >> > properties, that cannot be reduced to a binary switch.
> >> > >
> >> > >> d) Regarding the updates related to item 7, we will ask IANA to
> >> > >> update their registry once AUTH48 completes and we are certain the 
> >> > >> text
> >> > are stable.
> >> > >
> >> > > Thank you.
> >> > >
> >> > >> Please review and let us know if any additional updates are needed.
> >> > >
> >> > > The text in the first bullet of Section 3 is good, but I wonder if
> >> > > this is not a typo:
> >> > >
> >> > >     "Sequence numbers" in this definition are not necessarily the
> >> > >      content of the Sequence Number field in the IPsec packets; they
> >> > >      may also be some logical entities (e.g., counters) that could be
> >> > >      constructed take some information that is not transmitted on the
> >> > >                         ^^^^^
> >> > >      wire into account.
> >> > >
> >> > > I apologize in advance if this is not a typo and is grammatically
> >> > > correct, but should not it be "taking" instead of "take".
> >> > >
> >> > > Regards,
> >> > > Valery.
> >> > >
> >> > >> Thank you,
> >> > >> RFC Editor/sg
> >> > >>
> >> > >>
> >> > >>
> >> > >>> On Aug 6, 2025, at 7:49 AM, Valery Smyslov <[email protected]> wrote:
> >> > >>>
> >> > >>> Hi Sandy,
> >> > >>>
> >> > >>> one more issue I came across. The title currently contains incorrect
> >> > >>> transform
> >> > >> type name:
> >> > >>>
> >> > >>> OLD:
> >> > >>> Renaming the Extended Sequence Number (ESN) Transform Type in the
> >> > >>>           Internet Key Exchange Protocol Version 2 (IKEv2)
> >> > >>>
> >> > >>> NEW:
> >> > >>> Renaming the Extended Sequence Numbers (ESN) Transform Type in
> the
> >> > >>>           Internet Key Exchange Protocol Version 2 (IKEv2)
> >> > >>>
> >> > >>> Regards,
> >> > >>> Valery.
> >> > >>>
> >> > >>>> -----Original Message-----
> >> > >>>> From: Valery Smyslov <[email protected]>
> >> > >>>> Sent: Wednesday, July 30, 2025 6:13 PM
> >> > >>>> To: 'Sandy Ginoza' <[email protected]>
> >> > >>>> Cc: 'RFC Editor' <[email protected]>;
> >> > >>>> '[email protected]' <ipsecme- [email protected]>;
> >> > >>>> '[email protected]' <[email protected]>; 
> >> > >>>> '[email protected]'
> >> > <[email protected]>; '[email protected]'
> >> > >>>> <[email protected]>; '[email protected]'
> >> > >>>> <auth48archive@rfc- editor.org>
> >> > >>>> Subject: RE: [***SPAM***] [***SPAM***] Re: AUTH48: RFC-to-be 9827
> >> > >>>> <draft-
> >> > >> ietf-
> >> > >>>> ipsecme-ikev2-rename-esn-05> for your review
> >> > >>>>
> >> > >>>> Hi Sandy,
> >> > >>>>
> >> > >>>> please find my answers inline.
> >> > >>>>
> >> > >>>> With regard to the publication process. I understand, that this
> >> > >>>> draft and
> >> > >>>> draft-ietf-ipsecme-g-ikev2-22 are parts of the C532 cluster, but
> >> > >>>> since there is no normative reference of
> >> > >>>> draft-ietf-ipsecme-g-ikev2-22 from this draft, then this draft can 
> >> > >>>> be
> >> > published before draft-ietf-ipsecme-g-ikev2-22.
> >> > >>>> On the other hand, there is an informative reference from this
> >> > >>>> draft to draft-ietf-ipsecme-g-ikev2-22 and I believe that for
> >> > >>>> readers it is better if the target of this reference is RFC rather 
> >> > >>>> than I-D.
> >> > >>>> And since draft-ietf-ipsecme-g-ikev2-22 is about to enter active
> >> > >>>> editing state and hopefully be ready to be published soon, I think
> >> > >>>> that it makes sense to delay publication of this draft so that both
> >> > >>>> drafts are
> >> > >> published at
> >> > >>>> the same time,
> >> > >>>> and each of them reference the other as an RFC (and not as an I-D).
> >> > >>>>
> >> > >>>>> Hi Valery,
> >> > >>>>>
> >> > >>>>> We understand about the timing — thank you for letting us know.
> >> > >>>>>
> >> > >>>>> Hope your travels were smooth!  Perhaps we’ll see you next week.
> >> > >>>>>
> >> > >>>>> RFC Editor/sg
> >> > >>>>>
> >> > >>>>>> On Jul 17, 2025, at 1:23 AM, Valery Smyslov <[email protected]>
> wrote:
> >> > >>>>>>
> >> > >>>>>> Hi Sandy,
> >> > >>>>>>
> >> > >>>>>> sorry for radio silence. I did receive the AUTH48 message, but it
> >> > >>>>>> came in bad
> >> > >>>>> time :-)
> >> > >>>>>> I was busy with preparations to IETF 123, then was on the way to
> >> > >>>>>> Madrid and thus had no time to review. I'm afraid I won't be able
> >> > >>>>>> to do this during
> >> > >> IETF
> >> > >>>>> week as well, sorry.
> >> > >>>>>> Apologize for the delay, I plan to review the AUTH48 changes
> >> > >>>>>> after IETF 123
> >> > >>>>> ends.
> >> > >>>>>>
> >> > >>>>>> Regards,
> >> > >>>>>> Valery.
> >> > >>>>>>
> >> > >>>>>>
> >> > >>>>>>> -----Original Message-----
> >> > >>>>>>> From: Sandy Ginoza <[email protected]>
> >> > >>>>>>> Sent: 17 июля 2025 г. 1:09
> >> > >>>>>>> To: RFC Editor <[email protected]>
> >> > >>>>>>> Cc: [email protected]; [email protected];
> >> > >>>>>>> [email protected]; [email protected]; [email protected];
> >> > >>>>>>> [email protected]
> >> > >>>>>>> Subject: [***SPAM***] Re: AUTH48: RFC-to-be 9827
> >> > >>>>>>> <draft-ietf-ipsecme-
> >> > >>>>>>> ikev2-rename-esn-05> for your review
> >> > >>>>>>>
> >> > >>>>>>> Hi Valery,
> >> > >>>>>>>
> >> > >>>>>>> We do not believe we have heard from you regarding the questions
> >> > below.
> >> > >>>>>>> Please review and let us know how the items below may be
> resolved.
> >> > >>>>>>>
> >> > >>>>>>> Thank you,
> >> > >>>>>>> RFC Editor/sg
> >> > >>>>>>>
> >> > >>>>>>>> On Jul 11, 2025, at 4:46 PM, [email protected] wrote:
> >> > >>>>>>>>
> >> > >>>>>>>> Authors,
> >> > >>>>>>>>
> >> > >>>>>>>> While reviewing this document during AUTH48, please resolve (as
> >> > >>>>>>>> necessary) the following questions, which are also in the XML 
> >> > >>>>>>>> file.
> >> > >>>>>>>>
> >> > >>>>>>>> 1) <!-- [rfced] Please insert any keywords (beyond those that
> >> > >>>>>>>> appear in the title) for use on 
> >> > >>>>>>>> https://www.rfc-editor.org/search.
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> replay protection
> >> > >>>> anti-replay
> >> > >>>> IPsec
> >> > >>>> ESP
> >> > >>>> AH
> >> > >>>>
> >> > >>>>>>>> 2) <!-- [rfced] Is the second paragraph the current definition?
> >> > >>>>>>>> The first paragraph makes us think the definition is current.
> >> > >>>>>>>> However, the third paragraph (indicating it needs
> >> > >>>>>>>> clarification) makes us think it is the old definition.  Please
> >> > >>>>>>>> consider adding text to indicate whether it is the old or new
> >> > definition.
> >> > >>>>>>>>
> >> > >>>>>>>> Original:
> >> > >>>>>>>> 3.  Extending the Semantics of Transform Type 5
> >> > >>>>>>>>
> >> > >>>>>>>> This document extends the semantics of transform type 5 in
> >> > >>>>>>>> IKEv2 to the following definition.
> >> > >>>>>>>>
> >> > >>>>>>>> Transform type 5 defines the set of properties of sequence
> >> > >>>>>>>> numbers of IPsec packets of a given SA when these packets
> enter
> >> > the network.
> >> > >>>>>>>>
> >> > >>>>>>>> This definition requires some clarifications.
> >> > >>>>>>>>
> >> > >>>>>>>> Perhaps:
> >> > >>>>>>>> 3.  Extending the Semantics of Transform Type 5
> >> > >>>>>>>>
> >> > >>>>>>>> This document extends the semantics of Transform Type 5 in
> >> > >>>>>>>> IKEv2 to be defined as follows:
> >> > >>>>>>>>
> >> > >>>>>>>>   Transform Type 5 defines the set of properties of sequence
> >> > numbers
> >> > >>>>>>>>   of IPsec packets of a given SA when these packets enter the
> >> > network.
> >> > >>>>>>>>
> >> > >>>>>>>> The updated definition is clarified as follows:
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> The second paragraph is the current (new) definition.
> >> > >>>> Thus, the proposed text is clearer and I'm fine with it.
> >> > >>>>
> >> > >>>>>>>> 3) <!-- [rfced] We are having trouble parsing this sentence.
> >> > >>>>>>>> Please provide an update if our suggested text is incorrect.
> >> > >>>>>>>>
> >> > >>>>>>>> Original:
> >> > >>>>>>>> *  By "sequence numbers" here we assume logical entities (like
> >> > >>>>>>>>   counters) that can be used for replay protection on receiving
> >> > >>>>>>>>   sides.  In particular, these entities are not necessarily the
> >> > >>>>>>>>   content of the Sequence Number field in the IPsec packets, but
> >> > may
> >> > >>>>>>>>   be constructed using some information, that is not necessaryly
> >> > >>>>>>>>   transmitted.
> >> > >>>>>>>>
> >> > >>>>>>>> Perhaps:
> >> > >>>>>>>> *  The use of "sequence numbers" implies that logical entities 
> >> > >>>>>>>> (like
> >> > >>>>>>>>   counters) can be used for replay protection on receiving
> >> > >>>>>>>>   sides.  In particular, these entities are not necessarily the
> >> > >>>>>>>>   content of the Sequence Number field in the IPsec packets, as
> they
> >> > >>>>>>>>   may be constructed using some information that is not
> >> > transmitted.
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> I would propose the following text:
> >> > >>>>
> >> > >>>> NEW:
> >> > >>>> *  "Sequence numbers" in this definition are not necessary the
> >> > >>>>   content of the Sequence Number field in the IPsec packets,
> >> > >>>>   but may also be some logical entities (e.g., counters) that might
> >> > >>>>   be constructed taking in account some information that is not
> >> > >>>> transmitted on
> >> > >> the
> >> > >>>> wire.
> >> > >>>>
> >> > >>>> Feel free to propose better text if this is still not clear or 
> >> > >>>> grammatically
> >> > incorrect.
> >> > >>>> The point is that while we have "Sequence Number" field in the
> >> > >>>> IPsec packets, the "sequence numbers" we are talking about are not
> >> > >>>> necessary the content of this field, but may be constructed using
> >> > additional sources.
> >> > >>>>
> >> > >>>>>>>> 4) <!-- [rfced] We have updated this sentence as described 
> >> > >>>>>>>> below.
> >> > >>>>>>>> Please let us know if any corrections are needed.
> >> > >>>>>>>>
> >> > >>>>>>>> Original:
> >> > >>>>>>>> *  The properties are interpreted as a characteristic of IPsec 
> >> > >>>>>>>> SA
> >> > >>>>>>>>   packets, and not as a result of a sender actions.
> >> > >>>>>>>>
> >> > >>>>>>>> Current:
> >> > >>>>>>>> *  The properties are interpreted as characteristics of IPsec SA
> >> > >>>>>>>>   packets rather than the results of sender actions.
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> This change is OK.
> >> > >>>>
> >> > >>>>>>>> 5) <!-- [rfced] For readability, we have updated the sentence
> >> > >>>>>>>> as shown below.  Please let us know if any corrections are
> >> > >>>>>>>> needed.  In addition, please consider whether the abbreviated
> >> > >>>>>>>> form of "SN" should be plural (i.e., Sequence Numbers (SNs) -
> >> > >>>>>>>> we recognize that ESN was singular even though "Numbers" was
> >> > plural).
> >> > >>>>>>>>
> >> > >>>>>>>> Original:
> >> > >>>>>>>> Given this definition, transform type 5 in the IANA registries
> >> > >>>>>>>> for
> >> > >>>>>>>> IKEv2 [IKEV2-IANA] is renamed from "Extended Sequence
> Numbers
> >> > >>>> (ESN)"
> >> > >>>>>>>> to "Sequence Numbers (SN)" with the meaning, that it defines
> >> > >>>>>>>> the properties the sequence numbers would have.
> >> > >>>>>>>>
> >> > >>>>>>>> Current:
> >> > >>>>>>>> Given this updated definition, Transform Type 5 in the
> >> > >>>>>>>> "Transform Type Values" registry [IKEV2-IANA] has been
> renamed
> >> > >>>>>>>> from "Extended
> >> > >>>> Sequence
> >> > >>>>>>>> Numbers (ESN)" to "Sequence Numbers (SN)".
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> I still believe that the clarification is helpful. In other words,
> >> > >>>> the name of this Transform Type is too short to be absolutely clear.
> >> > >>>> Before IETF LC the proposed new name for this transform type was
> >> > >>>> "Sequence Numbers Properties (SNP)", which would be clearer, but
> >> > >>>> apparently was grammatically incorrect. Another proposed name was
> >> > >>>> "Properties of Sequence Numbers (PSN)", but eventually it was
> >> > >>>> decided to use simple "Sequence Numbers (SN)" with a clarification
> >> > >>>> what this name means. I also don't think that abbreviation in
> >> > >>>> plural form (SNs) is justified, since this would break the rule
> >> > >>>> that all abbreviation is always in all-capital letters.
> >> > >>>>
> >> > >>>> Thus, my preference is:
> >> > >>>>
> >> > >>>> NEW:
> >> > >>>> Given this updated definition, Transform Type 5 in the "Transform
> >> > >>>> Type Values" registry [IKEV2-IANA] has been renamed from "Extended
> >> > >>>> Sequence Numbers (ESN)" to "Sequence Numbers (SN)" with the
> implied
> >> > >>>> meaning, that it defines the properties of the sequence numbers in a
> >> > broad sense.
> >> > >>>>
> >> > >>>> Is it better with regard to readability?
> >> > >>>>
> >> > >>>>>>>> 6) <!-- [rfced] "their monotonic increase" is not easily
> >> > >>>>>>>> parsed. May we update as follows for readability?
> >> > >>>>>>>> Note that this text appears in the definitions for values 0 and 
> >> > >>>>>>>> 1.
> >> > >>>>>>>>
> >> > >>>>>>>> Original:
> >> > >>>>>>>>   They can also be used with protocols that rely
> >> > >>>>>>>>   on sequence numbers uniqueness (like [RFC8750]) or their
> >> > monotonic
> >> > >>>>>>>>   increase (like [RFC9347]).
> >> > >>>>>>>>
> >> > >>>>>>>> Perhaps:
> >> > >>>>>>>>   They can also be used with protocols that rely
> >> > >>>>>>>>   on sequence numbers uniqueness (e.g., [RFC8750]) or
> >> > monotonically
> >> > >>>>>>>>   increasing sequence numbers (e.g., [RFC9347]).
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> This change is good.
> >> > >>>>
> >> > >>>>>>>> 7) <!-- [rfced] Note that we have updated the IANA
> >> > >>>>>>>> Considerations to reduce redundancy throughout.  Please review
> >> > >>>>>>>> carefully and let us know if any updates are needed.
> >> > >>>>>>>>
> >> > >>>>>>>> You can review the changes by looking through a diff of the
> >> > >>>>>>>> IANA Considerations section:
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827-diff.html
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827-rfcdiff.html
> >> > >>>>>>>> (side-by-side view)
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> These changes are generally OK. I noticed that the text of the
> >> > >>>> notes in this section to be added to IANA registries now mismatches
> >> > >>>> the notes that are actually added as a result of IANA actions made
> >> > >>>> when this I-D was sent to the RFC Editor (with regard of the
> >> > >>>> articles). I think that this can be sorted out with IANA.
> >> > >>>>
> >> > >>>>>>>> 8) <!-- [rfced] Throughout the text, the following terminology
> >> > >>>>>>>> appears to be used inconsistently. We updated to use the form
> >> > >>>>>>>> on the left to align with RFC 7296.  Please let us know any
> >> > objections.
> >> > >>>>>>>>
> >> > >>>>>>>> Transform Type vs transform type Transform ID vs transform ID
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> I'm OK with this change, thank you.
> >> > >>>>
> >> > >>>>>>>> 9) <!-- [rfced] Please review the "Inclusive Language" portion
> >> > >>>>>>>> of the online Style Guide
> >> > >>>>>>>> <https://www.rfc-editor.org/styleguide/part2/#inclusive_languag
> >> > >>>>>>>> e> 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.
> >> > >>>>>>>> -->
> >> > >>>>
> >> > >>>> I re-read the draft and I believe that it satisfies the "Inclusive 
> >> > >>>> Language"
> >> > >>>> requirements.
> >> > >>>>
> >> > >>>> One more points I found.
> >> > >>>>
> >> > >>>> 10) [EESP] should reference draft-ietf-ipsecme-eesp instead of
> >> > >>>> draft-klassert- ipsecme-eesp (it was adopted as WG document a while
> >> > >>>> ago).
> >> > >>>>
> >> > >>>> Regards,
> >> > >>>> Valery.
> >> > >>>>
> >> > >>>>>>>> Thank you.
> >> > >>>>>>>>
> >> > >>>>>>>> RFC Editor
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>>> On Jul 11, 2025, at 4:43 PM, [email protected] wrote:
> >> > >>>>>>>>
> >> > >>>>>>>> *****IMPORTANT*****
> >> > >>>>>>>>
> >> > >>>>>>>> Updated 2025/07/11
> >> > >>>>>>>>
> >> > >>>>>>>> RFC Author(s):
> >> > >>>>>>>> --------------
> >> > >>>>>>>>
> >> > >>>>>>>> Instructions for Completing AUTH48
> >> > >>>>>>>>
> >> > >>>>>>>> Your document has now entered AUTH48.  Once it has been
> >> > >>>>>>>> reviewed
> >> > >> and
> >> > >>>>>>>> approved by you and all coauthors, it will be published as an 
> >> > >>>>>>>> RFC.
> >> > >>>>>>>> If an author is no longer available, there are several remedies
> >> > >>>>>>>> available as listed in the FAQ 
> >> > >>>>>>>> (https://www.rfc-editor.org/faq/).
> >> > >>>>>>>>
> >> > >>>>>>>> You and you coauthors are responsible for engaging other
> >> > >>>>>>>> parties (e.g., Contributors or Working Group) as necessary
> >> > >>>>>>>> before providing your approval.
> >> > >>>>>>>>
> >> > >>>>>>>> Planning your review
> >> > >>>>>>>> ---------------------
> >> > >>>>>>>>
> >> > >>>>>>>> Please review the following aspects of your document:
> >> > >>>>>>>>
> >> > >>>>>>>> *  RFC Editor questions
> >> > >>>>>>>>
> >> > >>>>>>>> Please review and resolve any questions raised by the RFC
> >> > >>>>>>>> Editor that have been included in the XML file as comments
> >> > >>>>>>>> marked as
> >> > >>>>>>>> follows:
> >> > >>>>>>>>
> >> > >>>>>>>> <!-- [rfced] ... -->
> >> > >>>>>>>>
> >> > >>>>>>>> These questions will also be sent in a subsequent email.
> >> > >>>>>>>>
> >> > >>>>>>>> *  Changes submitted by coauthors
> >> > >>>>>>>>
> >> > >>>>>>>> Please ensure that you review any changes submitted by your
> >> > >>>>>>>> coauthors.  We assume that if you do not speak up that you
> >> > >>>>>>>> agree to changes submitted by your coauthors.
> >> > >>>>>>>>
> >> > >>>>>>>> *  Content
> >> > >>>>>>>>
> >> > >>>>>>>> Please review the full content of the document, as this cannot
> >> > >>>>>>>> change once the RFC is published.  Please pay particular
> attention
> >> > to:
> >> > >>>>>>>> - IANA considerations updates (if applicable)
> >> > >>>>>>>> - contact information
> >> > >>>>>>>> - references
> >> > >>>>>>>>
> >> > >>>>>>>> *  Copyright notices and legends
> >> > >>>>>>>>
> >> > >>>>>>>> Please review the copyright notice and legends as defined in
> >> > >>>>>>>> RFC 5378 and the Trust Legal Provisions (TLP –
> >> > >>>>>>>> https://trustee.ietf.org/license-info).
> >> > >>>>>>>>
> >> > >>>>>>>> *  Semantic markup
> >> > >>>>>>>>
> >> > >>>>>>>> Please review the markup in the XML file to ensure that
> >> > >>>>>>>> elements of content are correctly tagged.  For example, ensure
> >> > >>>>>>>> that <sourcecode> and <artwork> are set correctly.  See details
> >> > >>>>>>>> at <https://authors.ietf.org/rfcxml-vocabulary>.
> >> > >>>>>>>>
> >> > >>>>>>>> *  Formatted output
> >> > >>>>>>>>
> >> > >>>>>>>> Please review the PDF, HTML, and TXT files to ensure that the
> >> > >>>>>>>> formatted output, as generated from the markup in the XML file,
> >> > >>>>>>>> is reasonable.  Please note that the TXT will have formatting
> >> > >>>>>>>> limitations compared to the PDF and HTML.
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>>> Submitting changes
> >> > >>>>>>>> ------------------
> >> > >>>>>>>>
> >> > >>>>>>>> To submit changes, please reply to this email using ‘REPLY ALL’
> >> > >>>>>>>> as all the parties CCed on this message need to see your
> >> > >>>>>>>> changes. The parties
> >> > >>>>>>>> include:
> >> > >>>>>>>>
> >> > >>>>>>>> *  your coauthors
> >> > >>>>>>>>
> >> > >>>>>>>> *  [email protected] (the RPC team)
> >> > >>>>>>>>
> >> > >>>>>>>> *  other document participants, depending on the stream (e.g.,
> >> > >>>>>>>>   IETF Stream participants are your working group chairs, the
> >> > >>>>>>>>   responsible ADs, and the document shepherd).
> >> > >>>>>>>>
> >> > >>>>>>>> *  [email protected], which is a new archival mailing
> list
> >> > >>>>>>>>   to preserve AUTH48 conversations; it is not an active 
> >> > >>>>>>>> discussion
> >> > >>>>>>>>   list:
> >> > >>>>>>>>
> >> > >>>>>>>>  *  More info:
> >> > >>>>>>>>
> >> > >>>>>>>> https://mailarchive.ietf.org/arch/msg/ietf-announce/yb6lpIGh-4Q
> >> > >>>>>>>> 9l2USxI
> >> > >>>>>>>> Ae6P8O4Zc
> >> > >>>>>>>>
> >> > >>>>>>>>  *  The archive itself:
> >> > >>>>>>>>     https://mailarchive.ietf.org/arch/browse/auth48archive/
> >> > >>>>>>>>
> >> > >>>>>>>>  *  Note: If only absolutely necessary, you may temporarily opt 
> >> > >>>>>>>> out
> >> > >>>>>>>>     of the archiving of messages (e.g., to discuss a sensitive
> matter).
> >> > >>>>>>>>     If needed, please add a note at the top of the message that
> you
> >> > >>>>>>>>     have dropped the address. When the discussion is concluded,
> >> > >>>>>>>>     [email protected] will be re-added to the CC 
> >> > >>>>>>>> list and
> >> > >>>>>>>>     its addition will be noted at the top of the message.
> >> > >>>>>>>>
> >> > >>>>>>>> You may submit your changes in one of two ways:
> >> > >>>>>>>>
> >> > >>>>>>>> An update to the provided XML file — OR — An explicit list of
> >> > >>>>>>>> changes in this format
> >> > >>>>>>>>
> >> > >>>>>>>> Section # (or indicate Global)
> >> > >>>>>>>>
> >> > >>>>>>>> OLD:
> >> > >>>>>>>> old text
> >> > >>>>>>>>
> >> > >>>>>>>> NEW:
> >> > >>>>>>>> new text
> >> > >>>>>>>>
> >> > >>>>>>>> You do not need to reply with both an updated XML file and an
> >> > >>>>>>>> explicit list of changes, as either form is sufficient.
> >> > >>>>>>>>
> >> > >>>>>>>> We will ask a stream manager to review and approve any
> changes
> >> > >>>>>>>> that seem beyond editorial in nature, e.g., addition of new
> >> > >>>>>>>> text, deletion of text, and technical changes.  Information
> >> > >>>>>>>> about stream managers can be found in the FAQ.  Editorial
> >> > >>>>>>>> changes do not require approval from a
> >> > >>>>>>> stream manager.
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>>> Approving for publication
> >> > >>>>>>>> --------------------------
> >> > >>>>>>>>
> >> > >>>>>>>> To approve your RFC for publication, please reply to this email
> >> > >>>>>>>> stating that you approve this RFC for publication.  Please use
> >> > >>>>>>>> ‘REPLY ALL’, as all the parties CCed on this message need to see
> your
> >> > approval.
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>>> Files
> >> > >>>>>>>> -----
> >> > >>>>>>>>
> >> > >>>>>>>> The files are available here:
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827.xml
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827.html
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827.pdf
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827.txt
> >> > >>>>>>>>
> >> > >>>>>>>> Diff file of the text:
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827-diff.html
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827-rfcdiff.html (side
> >> > >>>>>>>> by
> >> > >>>>>>>> side)
> >> > >>>>>>>>
> >> > >>>>>>>> Diff of the XML:
> >> > >>>>>>>> https://www.rfc-editor.org/authors/rfc9827-xmldiff1.html
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>>> Tracking progress
> >> > >>>>>>>> -----------------
> >> > >>>>>>>>
> >> > >>>>>>>> The details of the AUTH48 status of your document are here:
> >> > >>>>>>>> https://www.rfc-editor.org/auth48/rfc9827
> >> > >>>>>>>>
> >> > >>>>>>>> Please let us know if you have any questions.
> >> > >>>>>>>>
> >> > >>>>>>>> Thank you for your cooperation,
> >> > >>>>>>>>
> >> > >>>>>>>> RFC Editor
> >> > >>>>>>>>
> >> > >>>>>>>> --------------------------------------
> >> > >>>>>>>> RFC 9827 (draft-ietf-ipsecme-ikev2-rename-esn-05)
> >> > >>>>>>>>
> >> > >>>>>>>> Title            : Renaming Extended Sequence Number (ESN)
> Transform
> >> > >>>> Type
> >> > >>>>> in
> >> > >>>>>>> the Internet Key Exchange Protocol Version 2 (IKEv2)
> >> > >>>>>>>> Author(s)        : V. Smyslov
> >> > >>>>>>>> WG Chair(s)      : Yoav Nir, Tero Kivinen
> >> > >>>>>>>>
> >> > >>>>>>>> Area Director(s) : Deb Cooley, Paul Wouters
> >> > >>>>>>>>
> >> > >>>>>>>>
> >> > >>>>>>
> >> > >>>
> >> > >
> >>

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