Robert,

On 29/08/2023 02:23, Robert Raszuk wrote:

Well takeMSDs ... I would think remote PE may find useful to know them (ie. what is the capability of egress PE). Why those would not be needed outside of an area I do not get.

MSDs are advertise per node or per link, nothing to do with prefixes and summarization.

thanks,
Peter


Thx,
R.

On Tue, Aug 29, 2023 at 10:38 AM Peter Psenak <ppse...@cisco.com <mailto:ppse...@cisco.com>> wrote:

    Robert,

    On 28/08/2023 14:19, Robert Raszuk wrote:
     > Daniel,
     >
     >  > [DV] No, there’s no need to leak and advertise
     >
     > You mean there is no need for RFC9352 in your network. If so - great.
     >
     > I was however asking the question: if network needs to advertise
    any of
     > the information defined in RFC9352 would it still benefit from UPA ?

    ISIS SIDs are not needed outside of its area. Service SIDs are
    advertised by BGP.

    thanks,
    Peter
     >
     > Thx,
     > R.
     >
     >
     >
     > On Mon, Aug 28, 2023 at 11:05 PM Voyer, Daniel
    <daniel.vo...@bell.ca <mailto:daniel.vo...@bell.ca>
     > <mailto:daniel.vo...@bell.ca <mailto:daniel.vo...@bell.ca>>> wrote:
     >
     >     Hi Robert, inlines____
     >
     >     __ __
     >
     >     __ __
     >
     >     *From: *Lsr <lsr-boun...@ietf.org
    <mailto:lsr-boun...@ietf.org> <mailto:lsr-boun...@ietf.org
    <mailto:lsr-boun...@ietf.org>>> on
     >     behalf of Robert Raszuk <rob...@raszuk.net
    <mailto:rob...@raszuk.net> <mailto:rob...@raszuk.net
    <mailto:rob...@raszuk.net>>>
     >     *Date: *Monday, August 28, 2023 at 12:00 PM
     >     *To: *"Hassan, Shehzad"
    <shehzad.hassan=40bell...@dmarc.ietf.org
    <mailto:40bell...@dmarc.ietf.org>
     >     <mailto:40bell...@dmarc.ietf.org
    <mailto:40bell...@dmarc.ietf.org>>>, Daniel Bernier
     >     <daniel.bern...@bell.ca <mailto:daniel.bern...@bell.ca>
    <mailto:daniel.bern...@bell.ca <mailto:daniel.bern...@bell.ca>>>
     >     *Cc: *lsr <lsr@ietf.org <mailto:lsr@ietf.org>
    <mailto:lsr@ietf.org <mailto:lsr@ietf.org>>>,
     >     "draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org
    <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org>
     >     <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org
    <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org>>"
     >     <draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org
    <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org>
     >     <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org
    <mailto:draft-ppsenak-lsr-igp-ureach-prefix-annou...@ietf.org>>>
     >     *Subject: *[EXT]Re: [Lsr] Working Group Adoption of "IGP
    Unreachable
     >     Prefix Announcement" -
     >     draft-ppsenak-lsr-igp-ureach-prefix-announce-04 (Fixed draft
    name)____
     >
     >     __ __
     >
     >     Hi Shehzad & Daniel,____
     >
     >     ____
     >
     >         I support this work as it is key for summarization in an
     >         SRv6/IPv6 network.____
     >
     >     __ __
     >
     >     Are you not going to advertise and leak across your IGP
    domain any
     >     of the SRv6 extensions as described in
     > https://datatracker.ietf.org/doc/rfc9352/
    <https://datatracker.ietf.org/doc/rfc9352/>
     >     <https://datatracker.ietf.org/doc/rfc9352/
    <https://datatracker.ietf.org/doc/rfc9352/>> for the PEs ? ____
     >
     >     [DV] No, there’s no need to leak and advertise. For an SRv6
    network,
     >     we are summarizing locators and loopback (should be derived from
     >     locator 0). This makes the routing domain “opaque”.____
     >
     >     __ __
     >
     >     And if you do, is there still some use case for UPA ? ____
     >
     >     __ __
     >
     >     Perhaps I am missing something but how would those extensions
     >     survive summarization ? ____
     >
     >     __ __
     >
     >     __ __
     >
     >     Thx,
     >     Robert____
     >
     >     Cheers,____
     >
     >     Dan____
     >
     >     __ __
     >
     >          > On Aug 23, 2023, at 4:07 PM, Acee Lindem
    <acee.i...@gmail.com <mailto:acee.i...@gmail.com>
     >         <mailto:acee.i...@gmail.com
    <mailto:acee.i...@gmail.com>>> wrote:
     >          >
     >          > LSR Working Group,
     >          >
     >          > This begins the working group adoption call for “IGP
     >         Unreachable Prefix Announcement” -
     >         draft-ppsenak-lsr-igp-unreach-prefix-announce-04.
     >          > Please indicate your support or objection on this list
    prior
     >         to September 7th, 2023.
     >          >
     >          > Thanks,
     >          > Acee
     >          >
>  ------------------------------------------------------------------------------
     >          > External Email: Please use caution when opening links and
     >         attachments / Courriel externe: Soyez prudent avec les
    liens et
     >         documents joints
     >          >
     >         _______________________________________________
     >         Lsr mailing list
     > Lsr@ietf.org <mailto:Lsr@ietf.org> <mailto:Lsr@ietf.org
    <mailto:Lsr@ietf.org>>
     > https://www.ietf.org/mailman/listinfo/lsr
    <https://www.ietf.org/mailman/listinfo/lsr>
     >         <https://www.ietf.org/mailman/listinfo/lsr
    <https://www.ietf.org/mailman/listinfo/lsr>>____
     >


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