Hi Megan,

Thanks for your help on this document. Please check inline below for
responses.

On Wed, Aug 20, 2025 at 8:03 AM <rfc-edi...@rfc-editor.org> wrote:

> Authors,
>
> While reviewing this document during AUTH48, please resolve (as necessary)
> the following questions, which are also in the XML file.
>
> 1) <!--[rfced] Is the document title redundant (especially if the
>      abbreviation is expanded)?  If our suggested title is not
>      agreeable, please let us know if a rephrase can be made.  Note
>      that we have updated to use "Segment Type Extensions" (with Type
>      singular).  Note that any changes to the document title will also
>      be reflected in the reference entry pointing to this document in
>      RFC-to-be 9830.
>
> Original:
> Segment Routing Segment Types Extensions for BGP SR Policy
>
> As it would be expanded:
> Segment Routing Segment Types Extensions for BGP Segment Routing Policy
>
> Perhaps:
> Segment Type Extensions for BGP Segment Routing (SR) Policy
>

KT> Ack


>
> With a corresponding update to the abbreviated title:
>
> Original:
> SR Segment Type Ext for BGP SR Policy
>
> Perhaps:
> Segment Type Ext for BGP SR Policy
>

KT> Ack


> -->
>
>
> 2) <!-- [rfced] Please insert any keywords (beyond those that appear in
> the title) for use on https://www.rfc-editor.org/search. -->
>
>
KT> 'Segment Routing', 'BGP-SRTE', 'SR-TE', 'BGP SR Policy SAFI'


>
> 3) <!--[rfced] Section 2: Please review and confirm that the switch
>      between "Segment List sub-TLV" in the first paragraph and
>      "Segment sub-TLV" in the second is intentional.
>
> Original:
>
> The Segment List sub-TLV [I-D.ietf-idr-sr-policy-safi] encodes a....
>
> and
>
> A Segment sub-TLV describes a single segment in a segment list (i.e.,
>
> -->
>

KT> Confirmed that it is intentional.


>
>
> 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


>
>
> 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?


>
> -->
>
>
> 6) <!--[rfced] Please consider rephrasing the following text (the stacked
>      uses of "of" and repetition of "interface" might benefit from a
>      change).
>
> Original:
>    Local Interface ID:  4 octets of interface index of local interface
>       (refer TLV 258 of [RFC9552]).
>
>
KT> 4 octets carrying the interface index of the local interface (we can't
avoid the repetition as those are two technical terms)


> -->
>
>
> 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
consistent in RFC9830 (e.g.,
https://www.rfc-editor.org/authors/rfc9830.html#section-2.4.4.2.4 )


>
>
> 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 consistency.
However, I notice that the IANA sections in both 9830 and 9831 are not
matching the sub-TLV names. Could you please fix that?
https://www.rfc-editor.org/authors/rfc9830.html#section-6.5


>
>
> -->
>
>
> 9) <!-- [rfced] FYI - We have added expansions for abbreviations upon
>      first use per Section 3.6 of RFC 7322 ("RFC Style Guide"). Please
>      review each expansion in the document carefully to ensure
>      correctness.
> -->
>

KT> It looks good to me.

Thanks,
Ketan


>
>
> 10) <!-- [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.
>
> -->
>
>
> Thank you.
>
> Megan Ferguson
> RFC Production Center
>
> *****IMPORTANT*****
>
> Updated 2025/08/19
>
> RFC Author(s):
> --------------
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> RFC Editor
>
> --------------------------------------
> RFC9831 (draft-ietf-idr-bgp-sr-segtypes-ext-08)
>
> Title            : Segment Routing Segment Types Extensions for BGP SR
> Policy
> Author(s)        : K. Talaulikar, C. Filsfils, S. Previdi, P. Mattes, D.
> Jain
> WG Chair(s)      : Susan Hares, Keyur Patel, Jeffrey Haas
>
> Area Director(s) : Jim Guichard, Ketan Talaulikar, Gunter Van de Velde
>
>
>
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