Re: [spring] 6MAN WGLC: draft-ietf-6man-sids
Joel Halpern <jmh@joelhalpern.com> Sat, 08 October 2022 19:11 UTC
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Date: Sat, 08 Oct 2022 15:11:12 -0400
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To: Robert Raszuk <robert@raszuk.net>
Cc: 6man <ipv6@ietf.org>, SPRING WG List <spring@ietf.org>
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From: Joel Halpern <jmh@joelhalpern.com>
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Subject: Re: [spring] 6MAN WGLC: draft-ietf-6man-sids
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Robert, whether you "buy into limited domain" or not, it is in the RFC and was part of what the IESG considered when they approved it. As such, unless you believe you can change the community consensus our specifications need to conform to that. Yours, Joel On 10/8/2022 2:52 PM, Robert Raszuk wrote: > Hi Joel, > > I was hoping this is apparent so let me restate that I do not buy into > "limited domain" business for SRv6. > > I have N sites connected over v6 Internet. I want to send IPv6 packets > between my "distributed globally limited domain" without yet one more > encap. > > If there is any spec which mandates that someone will drop my IPv6 > packets only because they contain SRH in the IPv6 header I consider > this an evil and unjustified action. > > Kind regards, > Robert > > On Sat, Oct 8, 2022 at 7:40 PM Joel Halpern <jmh@joelhalpern.com> wrote: > > Robert, I am having trouble understanding your email. > > 1) A Domain would only filter the allocated SIDs plus what it > chooses to use for SRv6. > > 2) Whatever it a domain filters should be irrelevant to any other > domain, since by definition SRv6 is for use only within a limited > domain. So as far as I can see there is no way a domain can apply > incorrect filtering. > > Yours, > > Joel > > On 10/8/2022 3:16 AM, Robert Raszuk wrote: >> Hi Suresh, >> >> NEW: >> In case the deployments do not use this allocated prefix >> additional care needs to be exercised at network ingress and >> egress points so that SRv6 packets do not leak out of SR >> domains and they do not accidentally enter SR unaware domains. >> >> >> IMO this is too broad. I would say that such ingress filtering >> could/should happen only if dst or locator is within locally >> configured/allocated prefixes. Otherwise it is pure IPv6 transit >> and I see no harm not to allow it. >> >> Similarly as stated in Section 5.1 of RFC8754 packets >> entering an SR domain from the outside need to be configured >> to filter out the selected prefix if it is different from the >> prefix allocated here. >> >> >> Again the way I read it this kills pure IPv6 transit for SRv6 >> packets. Why ? >> >> (Well I know the answer to "why" from our endless discussions >> about SRv6 itself and network programming however I still see no >> need to mandate in any spec to treat SRv6 packets as >> unwanted/forbidden for pure IPv6 transit.) >> >> Thx, >> R. >
- [spring] 6MAN WGLC: draft-ietf-6man-sids Jen Linkova
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Acee Lindem (acee)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Adrian Farrel
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Adrian Farrel
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Acee Lindem (acee)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Adrian Farrel
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Michael Richardson
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Xiejingrong (Jingrong)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Gyan Mishra
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Mark Smith
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Chengli
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Chongfeng Xie
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Fred Baker
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Mark Smith
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dhruv Dhody
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Nick Buraglio
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Vasilenko Eduard
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dhruv Dhody
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Xiejingrong (Jingrong)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Nick Buraglio
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dale W. Carder
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Nick Buraglio
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dhruv Dhody
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Chongfeng Xie
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Chengli
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Eric Vyncke (evyncke)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Eric Vyncke (evyncke)
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Ole Troan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids David Farmer
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids David Farmer
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dirk Steinberg
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Robert Raszuk
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Brian E Carpenter
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Dirk Steinberg
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Eduard Metz
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Joel Halpern
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Suresh Krishnan
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Eduard Metz
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Nick Buraglio
- Re: [spring] 6MAN WGLC: draft-ietf-6man-sids Erik Kline