Re: [spring] SRH scratch space (was Re: Question about SRv6 Insert function)
Robert Raszuk <robert@raszuk.net> Tue, 10 December 2019 21:08 UTC
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References: <HK0PR03MB3970C6DCC635E7CD802D65FDFCBD0@HK0PR03MB3970.apcprd03.prod.outlook.com> <BYAPR05MB54636A2332FED916A26A6F14AEBD0@BYAPR05MB5463.namprd05.prod.outlook.com> <3e31873a-278a-2154-0e71-4d820bba323d@gont.com.ar> <4012D854-2F10-4476-951D-FFFE73C5083C@gmail.com> <cb2f56f8-acdc-d68d-0878-9609cb3d7b1b@gont.com.ar> <28214_1567694772_5D711FB4_28214_238_1_53C29892C857584299CBF5D05346208A48BFA9F3@OPEXCAUBM43.corporate.adroot.infra.ftgroup> <129bbb32-0f14-b799-430c-8f76fb6b1279@gont.com.ar> <1824_1575998223_5DEFD30F_1824_112_1_53C29892C857584299CBF5D05346208A48D24EBD@OPEXCAUBM43.corporate.adroot.infra.ftgroup> <4384c08a-65f5-dbfb-85c7-8365feba9662@gmail.com> <CAOj+MME1+JXth8m4U_E5R6VLvurVR_y_DQvOBy7JmGxHZp7T=Q@mail.gmail.com> <CAMGpriV8BFjOed_-QJYEZc_BANvEuc1hRgYjSdaVUYygVzPj+Q@mail.gmail.com> <CAOj+MMHCA+=9zv_UJAF3gC6R1TWKb6LQJxaGsrRa0N7Amdxrww@mail.gmail.com> <CAMGpriWbz3Gf2UcNDigRVo8gEssdaL6HnH2_6Ln050gQFbFDYQ@mail.gmail.com> <CAOj+MMGuParGLAA9_2n1zihGjJsKHr+NOK3EXP3j87ibXqmhmQ@mail.gmail.com> <CAMGpriVdDSw4FOk5ApQq935H5aes5OBH=L=hhGD_6U0wGBCA0A@mail.gmail.com> <CAO42Z2whpnfLfC0fJg58AK=QsZK4QNbAHb6E4H2hULkocUPNcw@mail.gmail.com>
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From: Robert Raszuk <robert@raszuk.net>
Date: Tue, 10 Dec 2019 22:08:16 +0100
Message-ID: <CAOj+MMGTkXETWP5EcYWsRkgCQ8y81EsH+rGwzfDTBYrJVxng3g@mail.gmail.com>
Subject: Re: [spring] SRH scratch space (was Re: Question about SRv6 Insert function)
To: Mark Smith <markzzzsmith@gmail.com>
Cc: Erik Kline <ek.ietf@gmail.com>, Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>, "spring@ietf.org" <spring@ietf.org>, "6man@ietf.org" <6man@ietf.org>, Suresh Krishnan <suresh.krishnan@gmail.com>, draft-voyer-6man-extension-header-insertion <draft-voyer-6man-extension-header-insertion@ietf.org>, Fernando Gont <fernando@gont.com.ar>, Brian E Carpenter <brian.e.carpenter@gmail.com>, draft-ietf-spring-srv6-network-programming <draft-ietf-spring-srv6-network-programming@ietf.org>
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Well I take it as a joke ... as I am sure you are aware that SRH already contains those verbatim. PS. Note that SRm6 would require a local mapping database to decipher those in CRH. On Tue, Dec 10, 2019 at 10:02 PM Mark Smith <markzzzsmith@gmail.com> wrote: > Perhaps we need to update RFC8200 and eliminate the source address field, > or at least update it so that it can hold a multicast address, indicating > the packet has multiple source devices. > > On Wed, 11 Dec 2019, 07:54 Erik Kline, <ek.ietf@gmail.com> wrote: > >> Ah right. >> >> Still, in terms of the things that could be relaxed in 8200, allowing the >> SRH to be treated more like a Hop-by-Hop header might be more palatable >> than things that change the effective MTU. >> >> On Tue, Dec 10, 2019 at 12:42 PM Robert Raszuk <robert@raszuk.net> wrote: >> >>> >>> The issue is that RFC8200 forbids even modification to any EH unless the >>> node is a destination node in top most IPv6 header. >>> >>> >>> If there were no resolution to the insertion question vis a vis RFC >>>> 8200, then would it then suffice to recommend that ingress nodes should >>>> include some padding for these non-SR midpoints to play with (iff. the >>>> network has such midpoints), and otherwise abide by RFC 8200? >>>> >>> _______________________________________________ >> spring mailing list >> spring@ietf.org >> https://www.ietf.org/mailman/listinfo/spring >> >
- Question about SRv6 Insert function li zhenqiang
- Re: Question about SRv6 Insert function Ole Troan
- RE: Question about SRv6 Insert function Ron Bonica
- Re: Question about SRv6 Insert function Mark Smith
- Re: Question about SRv6 Insert function Fernando Gont
- Re: Question about SRv6 Insert function Fernando Gont
- Re: Re: Question about SRv6 Insert function li zhenqiang
- Re: RE: Question about SRv6 Insert function li zhenqiang
- Re: Question about SRv6 Insert function Suresh Krishnan
- Re: Question about SRv6 Insert function Ca By
- RE: Question about SRv6 Insert function Ron Bonica
- Re: Question about SRv6 Insert function Fernando Gont
- Re: Question about SRv6 Insert function Behcet Sarikaya
- Re: Question about SRv6 Insert function Suresh Krishnan
- Re: Question about SRv6 Insert function Fernando Gont
- Re: Question about SRv6 Insert function Suresh Krishnan
- Re: Question about SRv6 Insert function Ole Troan
- Re: Question about SRv6 Insert function Fernando Gont
- Re: Question about SRv6 Insert function Ole Troan
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- RE: [spring] Question about SRv6 Insert function Alexander Vainshtein
- Re: Re: [spring] Question about SRv6 Insert funct… li zhenqiang
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- Re: Re: [spring] Question about SRv6 Insert funct… li zhenqiang
- Re: Re: [spring] Question about SRv6 Insert funct… Robert Raszuk
- Re: Question about SRv6 Insert function Fernando Gont
- RE: [spring] Question about SRv6 Insert function bruno.decraene
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- RE: [spring] Question about SRv6 Insert function bruno.decraene
- Re: [spring] Question about SRv6 Insert function Darren Dukes (ddukes)
- Re: [spring] Question about SRv6 Insert function Darren Dukes (ddukes)
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- Re: [spring] Question about SRv6 Insert function Darren Dukes (ddukes)
- Re: [spring] Question about SRv6 Insert function Darren Dukes (ddukes)
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- RE: [spring] Question about SRv6 Insert function Ron Bonica
- Re: [spring] Question about SRv6 Insert function Darren Dukes (ddukes)
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- RE: [spring] Question about SRv6 Insert function Andrew Alston
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- RE: [spring] Question about SRv6 Insert function Ron Bonica
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- Re: [spring] Question about SRv6 Insert function Andrew Alston
- RE: [spring] Question about SRv6 Insert function Ron Bonica
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- Re: [spring] Question about SRv6 Insert function Ole Troan
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- Re: RE: [spring] Question about SRv6 Insert funct… li zhenqiang
- Re: [spring] Question about SRv6 Insert function Brian E Carpenter
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- Re: [spring] Question about SRv6 Insert function Mark Smith
- Re: [spring] Question about SRv6 Insert function Fernando Gont
- RE: [spring] Question about SRv6 Insert function bruno.decraene
- Re: [spring] Question about SRv6 Insert function Brian E Carpenter
- Re: [spring] Question about SRv6 Insert function Robert Raszuk
- SRH scratch space (was Re: [spring] Question abou… Erik Kline
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] SRH scratch space (was Re: Question … Erik Kline
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] SRH scratch space (was Re: Question … Erik Kline
- Re: [spring] SRH scratch space (was Re: Question … Mark Smith
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] SRH scratch space (was Re: Question … Mark Smith
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] SRH scratch space (was Re: Question … Bob Hinden
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] SRH scratch space (was Re: Question … Bob Hinden
- Re: [spring] SRH scratch space (was Re: Question … Brian E Carpenter
- RE: [spring] SRH scratch space (was Re: Question … Xiejingrong (Jingrong)
- Re: [spring] SRH scratch space (was Re: Question … Alexandre Petrescu
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- RE: [spring] Question about SRv6 Insert function bruno.decraene
- Re: [spring] Question about SRv6 Insert function Alexandre Petrescu
- Re: [spring] Question about SRv6 Insert function Pablo Camarillo (pcamaril)
- Re: [spring] Question about SRv6 Insert function Pablo Camarillo (pcamaril)
- Re: [spring] Question about SRv6 Insert function Alexandre Petrescu
- Re: [spring] SRH scratch space (was Re: Question … Gyan Mishra
- Re: [spring] SRH scratch space (was Re: Question … Robert Raszuk
- Re: [spring] Question about SRv6 Insert function Alexandre Petrescu
- Re: [spring] Question about SRv6 Insert function Alexandre Petrescu