IANA,

Please make the following updates to the SR Policy Segment List Sub-TLVs 
registry at https://www.iana.org/assignments/bgp-tunnel-encapsulation:

Old:
3 Segment Type C sub-TLV 
4 Segment Type D sub-TLV 
5 Segment Type E sub-TLV 
6 Segment Type F sub-TLV 
7 Segment Type G sub-TLV 
8 Segment Type H sub-TLV 
14 Segment Type I sub-TLV
15 Segment Type J sub-TLV
16 Segment Type K sub-TLV

New (flip the placement of Segment):
3 Type C Segment sub-TLV 
4 Type D Segment sub-TLV 
5 Type E Segment sub-TLV 
6 Type F Segment sub-TLV 
7 Type G Segment sub-TLV 
8 Type H Segment sub-TLV 
14 Type I Segment sub-TLV
15 Type J Segment sub-TLV
16 Type K Segment sub-TLV

Please let us know once these updates are complete.

Thank you.

Megan Ferguson
RFC Production Center

> On Aug 29, 2025, at 11:12 AM, Stefano Previdi <stef...@previdi.net> wrote:
> 
> Hi,
> 
> Sorry for being late, I approve the publication. 
> 
> Thanks. 
> s.
> 
> 
> On Fri, Aug 29, 2025, 18:41 Megan Ferguson <mfergu...@staff.rfc-editor.org> 
> wrote:
> Authors (*Stafano),
> 
> Thank you for the approvals we have received thus far: we have marked them on 
> the AUTH48 status page (see below).  We believe the only author approval 
> outstanding is *Stefano’s.
> 
> Once we receive all author approvals, we will request that IANA update to 
> match any relevant changes made during AUTH48 (same for RFC-to-be 9830; the 
> update has already been requested for RFC-to-be 9832).  Once we receive 
> confirmation of the registry/document matching for all documents in the 
> cluster, we will move forward in the publication process.
> 
>  The files have been posted here:
>   https://www.rfc-editor.org/authors/rfc9831.txt
>   https://www.rfc-editor.org/authors/rfc9831.pdf
>   https://www.rfc-editor.org/authors/rfc9831.html
>   https://www.rfc-editor.org/authors/rfc9831.xml
> 
>  The relevant diff files have been posted here:
>   https://www.rfc-editor.org/authors/rfc9831-diff.html (comprehensive)
>   https://www.rfc-editor.org/authors/rfc9831-rfcdiff.html (side by side)
> 
>   https://www.rfc-editor.org/authors/rfc9831-auth48diff.html (AUTH48
> changes only)
>   https://www.rfc-editor.org/authors/rfc9831-auth48rfcdiff.html (side by side)
> 
>  The AUTH48 status page for this document can be found here:
>   https://www.rfc-editor.org/auth48/rfc9831
> 
>  The relevant cluster information can be found here:
>   https://www.rfc-editor.org/cluster_info.php?cid=C534
> 
> Thank you.
> 
> Megan Ferguson
> RFC Production Center
> 
> 
> 
> 
> > On Aug 26, 2025, at 1:46 AM, Clarence Filsfils (cfilsfil) 
> > <cfils...@cisco.com> wrote:
> > 
> > Hello,
> > 
> > I approve this document for publication.
> > 
> > Cheers,
> > Clarence
> > 
> >> -----Original Message-----
> >> From: Megan Ferguson <mfergu...@staff.rfc-editor.org>
> >> Sent: Monday, August 25, 2025 17:53
> >> To: Ketan Talaulikar <ketant.i...@gmail.com>
> >> Cc: RFC Editor <rfc-edi...@rfc-editor.org>; Clarence Filsfils (cfilsfil)
> >> <cfils...@cisco.com>; stef...@previdi.net; pamat...@microsoft.com;
> >> dhanendra.i...@gmail.com; idr-...@ietf.org; idr-cha...@ietf.org;
> >> sha...@ndzh.com; Roman Danyliw <r...@cert.org>; auth48archive@rfc-
> >> editor.org
> >> Subject: Re: AUTH48: RFC-to-be 9831 <draft-ietf-idr-bgp-sr-segtypes-ext-08>
> >> for your review
> >> 
> >> Hi Ketan,
> >> 
> >> Thank you for spotting that!  We have updated as requested (please 
> >> refresh).
> >> 
> >> We have also marked you as “approved” at the AUTH48 status page (see
> >> below).  Once we have approvals from your coauthors, we will forward the
> >> necessary updates to IANA.
> >> 
> >>  The files have been posted here:
> >>   https://www.rfc-editor.org/authors/rfc9831.txt
> >>   https://www.rfc-editor.org/authors/rfc9831.pdf
> >>   https://www.rfc-editor.org/authors/rfc9831.html
> >>   https://www.rfc-editor.org/authors/rfc9831.xml
> >> 
> >>  The relevant diff files have been posted here:
> >>   https://www.rfc-editor.org/authors/rfc9831-diff.html (comprehensive)
> >>   https://www.rfc-editor.org/authors/rfc9831-rfcdiff.html (side by side)
> >> 
> >>   https://www.rfc-editor.org/authors/rfc9831-auth48diff.html (AUTH48
> >> changes only)
> >>   https://www.rfc-editor.org/authors/rfc9831-auth48rfcdiff.html (side by 
> >> side)
> >> 
> >>  The AUTH48 status page for this document can be found here:
> >>   https://www.rfc-editor.org/auth48/rfc9831
> >> 
> >>  The relevant cluster information can be found here:
> >>   https://www.rfc-editor.org/cluster_info.php?cid=C534
> >> 
> >> Thank you.
> >> 
> >> Megan Ferguson
> >> RFC Production Center
> >> 
> >>> On Aug 22, 2025, at 11:52 PM, Ketan Talaulikar <ketant.i...@gmail.com>
> >> wrote:
> >>> 
> >>> Hi Megan,
> >>> 
> >>> I had a look at the
> >>> https://www.rfc-editor.org/authors/rfc9831-auth48diff.html and there
> >>> is still this change that needs to be reverted in section 2.7
> >>> 
> >>>   SRv6 SID:  Optional.  A 16-octet IPv6 address.  The value 0 MAY be
> >>>      used when the controller wants to indicate the desired SRv6
> >>>      Endpoint Behavior
> >>> or and SID Structure without specifying the SID.
> >>> Besides that, everything looks good and please take this email as my
> >> approval for publication.
> >>> 
> >>> Thanks,
> >>> Ketan
> >>> 
> >>> 
> >>> On Sat, Aug 23, 2025 at 1:35 AM Megan Ferguson <mfergu...@staff.rfc-
> >> editor.org> wrote:
> >>> Hi Ketan,
> >>> 
> >>> Thank you for your prompt reply!
> >>> 
> >>> We have updated as suggested and added these changes to the current
> >> files/diffs (please refresh).
> >>> 
> >>>  The files have been posted here:
> >>>   https://www.rfc-editor.org/authors/rfc9831.txt
> >>>   https://www.rfc-editor.org/authors/rfc9831.pdf
> >>>   https://www.rfc-editor.org/authors/rfc9831.html
> >>>   https://www.rfc-editor.org/authors/rfc9831.xml
> >>> 
> >>>  The relevant diff files have been posted here:
> >>>   https://www.rfc-editor.org/authors/rfc9831-diff.html (comprehensive)
> >>>   https://www.rfc-editor.org/authors/rfc9831-rfcdiff.html (side by
> >>> side)
> >>> 
> >>>   https://www.rfc-editor.org/authors/rfc9831-auth48diff.html (AUTH48
> >> changes only)
> >>>   https://www.rfc-editor.org/authors/rfc9831-auth48rfcdiff.html (side
> >>> by side)
> >>> 
> >>>  The AUTH48 status page for this document can be found here:
> >>>   https://www.rfc-editor.org/auth48/rfc9831
> >>> 
> >>>  The relevant cluster information can be found here:
> >>>   https://www.rfc-editor.org/cluster_info.php?cid=C534
> >>> 
> >>> Please let us know if any further updates are necessary.  We will await
> >> approvals from each party listed at the AUTH48 status page prior to moving
> >> forward in the publication process.
> >>> 
> >>> Thank you.
> >>> 
> >>> RFC Editor/mf
> >>> 
> >>>> On Aug 22, 2025, at 2:30 AM, Ketan Talaulikar <ketant.i...@gmail.com>
> >> wrote:
> >>>> 
> >>>> Hi Megan,
> >>>> 
> >>>> Please check inline below for responses with KT2.
> >>>> 
> >>>> 
> >>>> On Fri, Aug 22, 2025 at 12:23 AM Megan Ferguson <mfergu...@staff.rfc-
> >> editor.org> wrote:
> >>>> Hi Ketan,
> >>>> 
> >>>> Thank you for your response and guidance.
> >>>> 
> >>>> Some further questions/comments below marked with [rfced].
> >>>> 
> >>>>> 
> >>>>> 4) <!-- [rfced] The following text from Section 2 may require
> >>>>>     clarification:
> >>>>> 
> >>>>> "As specified in Sections 2.4.4 and 2.4.4.2 of [RFC9830],
> >>>>> validation of an explicit path encoded by the Segment List sub-TLV
> >>>>> is beyond the scope of BGP and performed by the Segment Routing
> >>>>> Policy Module (SRPM) as described in Section 5 of [RFC9256]."
> >>>>> 
> >>>>> The term "Segment Routing Policy Module (SRPM)" doesn't appear in
> >>>>> [RFC9256].
> >>>>> 
> >>>>> -->
> >>>>> 
> >>>>> KT> It should be RFC9830
> >>>> 
> >>>> [rfced] We believe the citation in the sentence following should be
> >> updated as well (and have made the update).  Please review and let us know
> >> if this is in error.
> >>>> 
> >>>> KT2> That 2nd sentence should refer to RFC9256 so please revert that
> >> change to the original.
> >>>> 
> >>>> What is being referenced is the following text
> >>>> https://www.rfc-editor.org/rfc/rfc9256.html#section-5.1
> >>>> 
> >>>> Additionally, an explicit candidate path MAY be declared invalid when its
> >> constituent segment lists (valid or invalid) are using segment types of 
> >> different
> >> SR data planes.
> >>>> 
> >>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 5) <!--[rfced] The following text led us to believe that the subsection
> >>>>>     titles of Section 2 would match the Type names listed in Section
> >>>>>     2 itself: but they do not.  Please review and let us know if a
> >>>>>     closer 1:1 matchup is desired between these.
> >>>>> 
> >>>>> Original:
> >>>>> [I-D.ietf-idr-sr-policy-safi] specifies Segment Type Sub-TLVs for
> >>>>> the segment types A and B.  The following sub-sections specify the
> >>>>> sub- TLVs used for encoding each of the other Segment Types above.
> >>>>> 
> >>>>> 
> >>>>> KT> They look ok to me, but perhaps I don't follow your point. Could
> >> you please illustrate with an example?
> >>>>> 
> >>>>> 
> >>>>> -->
> >>>> 
> >>>> [rfced] Sorry for any confusion.  Just curious if the wording should be
> >> made the same in the “names” of the Types.  We see:
> >>>> 
> >>>> Original ToC:
> >>>>   2.  Segment Type Sub-TLVs . . . . . . . . . . . . . . . . . . . .   3
> >>>>     2.1.  Segment Type C - SR-MPLS Prefix SID for IPv4  . . . . . .   4
> >>>>     2.2.  Segment Type D - SR-MPLS Prefix SID for IPv6  . . . . . .   5
> >>>>     2.3.  Segment Type E - SR-MPLS Adjacency SID for IPv4 with an
> >>>>            Interface ID . . . . . . . . . . . . . . . . . . . . . .   5
> >>>>     2.4.  Segment Type F - SR-MPLS Adjacency SID for IPv4 with an
> >>>>            Interface Address  . . . . . . . . . . . . . . . . . . .   6
> >>>>     2.5.  Segment Type G - SR-MPLS Adjacency SID for IPv6 with an
> >>>>            Interface ID . . . . . . . . . . . . . . . . . . . . . .   7
> >>>>     2.6.  Segment Type H - SR-MPLS Adjacency SID for IPv6 with an
> >>>>            Interface Address  . . . . . . . . . . . . . . . . . . .   9
> >>>>     2.7.  Segment Type I - SRv6 END SID as IPv6 Node Address  . . .   9
> >>>>     2.8.  Segment Type J - SRv6 END.X SID as an Interface ID  . . .  11
> >>>>     2.9.  Segment Type K - SRv6 END.X SID as an Interface
> >>>>            Address  . . . . . . . . . . . . . . . . . . . . . . . .
> >>>> 12
> >>>> 
> >>>> Original list in Section 2:
> >>>>   Type  A: SR-MPLS Label
> >>>>   Type  B: SRv6 SID
> >>>>   Type  C: IPv4 Prefix with optional SR Algorithm
> >>>>   Type  D: IPv6 Global Prefix with optional SR Algorithm for SR-MPLS
> >>>>   Type  E: IPv4 Prefix with Local Interface ID
> >>>>   Type  F: IPv4 Addresses for link endpoints as Local, Remote pair
> >>>>   Type  G: IPv6 Prefix and Interface ID for link endpoints as Local,
> >>>>            Remote pair for SR-MPLS
> >>>>   Type  H: IPv6 Addresses for link endpoints as Local, Remote pair
> >>>>            for SR-MPLS
> >>>>   Type  I: IPv6 Global Prefix with optional SR Algorithm for SRv6
> >>>>   Type  J: IPv6 Prefix and Interface ID for link endpoints as Local,
> >>>>            Remote pair for SRv6
> >>>>   Type  K: IPv6 Addresses for link endpoints as Local, Remote pair
> >>>>            for SRv6
> >>>> 
> >>>> 
> >>>> Perhaps the section titles of Section 2’s subsections should be updated 
> >>>> as
> >> follows to match their descriptions in the ToC above (or vice versa (with 
> >> the
> >> list in Section 2 being updated to match the styling in the original ToC))?
> >>>> 
> >>>> For example, make the section titles be:
> >>>>     2.1.  Segment Type C: IPv4 Prefix with Optional SR Algorithm
> >>>>     2.2.  Segment Type D: IPv6 Global Prefix with Optional SR Algorithm 
> >>>> for
> >> SR-MPLS
> >>>>     2.3.  Segment Type E: IPv4 Prefix with Local Interface ID
> >>>>     2.4.  Segment Type F: IPv4 Addresses for Link Endpoints as Local,
> >> Remote Pair
> >>>>     2.5.  Segment Type G: IPv6 Prefix and Interface ID for Link 
> >>>> Endpoints as
> >> Local, Remote Pair for SRMPLS
> >>>>     2.6.  Segment Type H: IPv6 Addresses for Link Endpoints as Local,
> >> Remote Pair for SR-MPLS
> >>>>     2.7.  Segment Type I: IPv6 Global Prefix with Optional SR Algorithm 
> >>>> for
> >> SRv6
> >>>>     2.8.  Segment Type J: IPv6 Prefix and Interface ID for Link 
> >>>> Endpoints as
> >> Local, Remote Pair for IPv6
> >>>>     2.9.  Segment Type K: IPv6 for Link Endpoints as Local, Remote
> >>>> Pair for SRv6
> >>>> 
> >>>> 
> >>>> If this close of a relationship is not necessary/desired, it is fine to 
> >>>> leave
> >> them as they are.
> >>>> 
> >>>> KT2> I see your point. However, now that you bring this up, the section
> >> titles seem too long. How about we just have "Segment Type X" and then it
> >> would be consistent with https://www.rfc-
> >> editor.org/authors/rfc9830.html#section-2.4.4.2.1 as well and much shorter?
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>>> 
> >>>>> 
> >>>>> 7) <!-- [rfced] We note that Section 2.4.4.2.4 of [RFC9830] uses the 
> >>>>> term
> >>>>>     "SRv6 SID Endpoint Behavior and Structure" rather than "SRv6
> >>>>>     Endpoint Behavior and SID Structure".  Please let us know if/how
> >>>>>     these uses may be made consistent.
> >>>>> -->
> >>>>> 
> >>>>> KT> I would prefer the latter, but then we'll also need to make it
> >>>>> KT> consistent in RFC9830 (e.g.,
> >>>>> KT> https://www.rfc-editor.org/authors/rfc9830.html#section-2.4.4.
> >>>>> KT> 2.4 )
> >>>>> 
> >>>> [rfced] We have updated to use the latter throughout this document and
> >> consistently throughout RFC-to-be 9830.  Please review the use in both
> >> documents (as an author of each) and reply to each specific email thread
> >> with any further updates and/or approval of the changes.  Note that we also
> >> changed some instances in which “or” was used instead of “and” to be “and”
> >> consistently.  Please let us know if this was in error.
> >>>> 
> >>>> KT2> The changes where the "or" was replaced by "and" are incorrect. In
> >> those cases, we mean that when either the "SRv6 Endpoint Behavior" or "SID
> >> Structure" then the SID can be set to 0. Please revert that change. The 
> >> rest
> >> looks good to me.
> >>>> 
> >>>>> 
> >>>>> 
> >>>>> 8) <!--[rfced] Please review the entries in Table 1 in light of this 
> >>>>> response
> >> regarding the names of sub-TLVs from Ketan when we discussed this topic for
> >> RFC-to-be 9830:
> >>>>> 
> >>>>> Ketan:
> >>>>> "The names of the segments (titles) are to be "Segment Type X" while
> >> the name of the sub-TLVs are to be "Type X Segment sub-TLV" (I've seen both
> >> sub-TLV and Sub-TLV - either is OK but we should have been consistent). The
> >> "Type-1" is actually "Type A Segment sub-TLV"."
> >>>>> 
> >>>>> If updates are necessary to the corresponding IANA registry, we
> >>>>> will communicate them on your behalf once AUTH48 concludes.
> >>>>> 
> >>>>> KT> Yes, please apply the same to this document as well for
> >>>>> KT> consistency. However, I notice that the IANA sections in both
> >>>>> KT> 9830 and 9831 are not matching the sub-TLV names. Could you
> >>>>> KT> please fix that?
> >>>>> KT> https://www.rfc-editor.org/authors/rfc9830.html#section-6.5
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> —>
> >>>> [rfced] We have made the necessary updates to Table 1 and will
> >> communicate these changes to IANA once AUTH48 completes.
> >>>> 
> >>>> With regard to RFC-to-be 9830: We believe you are referring to values 1
> >> and 13 in Table 5 (of Section 6.5) and have updated the document and will
> >> communicate this change to IANA along with the changes to this document
> >> (once AUTH48 for RFC-to-be 9831 concludes).
> >>>> 
> >>>> KT2> Correct.
> >>>> 
> >>>> 
> >>>> 
> >>>> We ask again that you review the changes to RFC 9830 and communicate
> >> your approval or need for further updates in that email thread (for other
> >> authors’ benefit as well as the AUTH48 archive).
> >>>> 
> >>>> KT2> Done.
> >>>> 
> >>>> Thanks,
> >>>> Ketan
> >>>> 
> >>>> 
> >>>> Any other changes have been incorporated as requested.  Please review
> >> carefully as we do not make changes once the document is published as an
> >> RFC.
> >>>> 
> >>>>  The files have been posted here:
> >>>>   https://www.rfc-editor.org/authors/rfc9831.txt
> >>>>   https://www.rfc-editor.org/authors/rfc9831.pdf
> >>>>   https://www.rfc-editor.org/authors/rfc9831.html
> >>>>   https://www.rfc-editor.org/authors/rfc9831.xml
> >>>> 
> >>>>  The relevant diff files have been posted here:
> >>>>   https://www.rfc-editor.org/authors/rfc9831-diff.html (comprehensive)
> >>>>   https://www.rfc-editor.org/authors/rfc9831-rfcdiff.html (side by
> >>>> side)
> >>>> 
> >>>>   https://www.rfc-editor.org/authors/rfc9831-auth48diff.html (AUTH48
> >> changes only)
> >>>>   https://www.rfc-editor.org/authors/rfc9831-auth48rfcdiff.html
> >>>> (side by side)
> >>>> 
> >>>>  The AUTH48 status page for this document can be found here:
> >>>>   https://www.rfc-editor.org/auth48/rfc9831
> >>>> 
> >>>>  The relevant cluster information can be found here:
> >>>>   https://www.rfc-editor.org/cluster_info.php?cid=C534
> >>>> 
> >>>> Thank you.
> >>>> 
> >>>> RFC Editor/mf
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>> 
> > 
> 

-- 
auth48archive mailing list -- auth48archive@rfc-editor.org
To unsubscribe send an email to auth48archive-le...@rfc-editor.org

Reply via email to