Re: [MMUSIC] (Rough) Consensus Call - No FQDN support in ice-sip-sdp
Roman Shpount <roman@telurix.com> Mon, 20 May 2019 21:43 UTC
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References: <77400318-1e2c-7d33-ab41-a3b8d0062b00@cisco.com> <CAMRcRGQ0gQ0c-pmBQ2ZOOX-5uGWkfy57Yu0QMuAp9ED2f8drwA@mail.gmail.com> <D7E2876E-E750-40C6-B33E-FC24F9CD0709@ericsson.com> <CAD5OKxtc=Pi-ghHEHdt8GJC7J3x8HWiHijrKu5ux_w6N+_iNFw@mail.gmail.com> <727ACD4B-706E-40FB-901B-5B9CB0D00161@ericsson.com>
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From: Roman Shpount <roman@telurix.com>
Date: Mon, 20 May 2019 17:43:31 -0400
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To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: Suhas Nandakumar <suhasietf@gmail.com>, Flemming Andreasen <fandreas@cisco.com>, mmusic <mmusic@ietf.org>
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Subject: Re: [MMUSIC] (Rough) Consensus Call - No FQDN support in ice-sip-sdp
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What I mean is that FQDN can be included in the ICE candidate connection-address, but agent MUST ignore such ICE candidate, unless this agent implements a future specification that defines how FQDN in ICE candidate connection address is handled. Please read the proposed text in the other email thread. _____________ Roman Shpount On Mon, May 20, 2019 at 5:34 PM Christer Holmberg < christer.holmberg@ericsson.com> wrote: > What do you mean by ”supported and ignored”? Do you mean “not supported”? > > > > Regards, > > > > Christer > > > > *From: *Roman Shpount <roman@telurix.com> > *Date: *Monday, 20 May 2019 at 22.23 > *To: *Christer Holmberg <christer.holmberg@ericsson.com> > *Cc: *Suhas Nandakumar <suhasietf@gmail.com>, Flemming Andreasen < > fandreas@cisco.com>, "mmusic@ietf.org" <mmusic@ietf.org> > *Subject: *Re: [MMUSIC] (Rough) Consensus Call - No FQDN support in > ice-sip-sdp > > > > Since there was little feedback on this discussion I would suggest to > specify that FQDN is supported and ignored. I have provided the language in > a separate email. > > _____________ > Roman Shpount > > > > > > On Mon, May 13, 2019 at 5:49 AM Christer Holmberg < > christer.holmberg@ericsson.com> wrote: > > Hi, > > > > I would have liked to see the Pull Request before concluding that there is > no “agreement”. But, we can obviously not wait forever. > > > > Having said that, related to Suhas’ comment, if we agree to leave FQDN out > I think we still need some text. > > > > One option is to put back the text pre-22 text (see below), but I am not > sure that solves the issue. Another option is to explicitly say that > support and processing of FQDNs are outside the scope of the document, and > needs to be covered in a separate specification. > > > > Note, however, that draft-ietf-rtcweb-mdns-ice-candidates assumes that > FQDNs are allowed, so in order to progress that draft we either need such > separate specification – or draft-ietf-rtcweb-mdns-ice-candidates also > needs to cover FQDN support in general. > > > > Regards, > > > > Christer > > > > *From: *mmusic <mmusic-bounces@ietf.org> on behalf of Suhas Nandakumar < > suhasietf@gmail.com> > *Date: *Monday, 13 May 2019 at 8.05 > *To: *Flemming Andreasen <fandreas@cisco.com> > *Cc: *"mmusic@ietf.org" <mmusic@ietf.org> > *Subject: *Re: [MMUSIC] (Rough) Consensus Call - No FQDN support in > ice-sip-sdp > > > > I am willing to leave out FQDN specification but want to bring to notice > the following > > > > Till ice-sip-sdp-22 we had a recommendation about resolving to one IP > Address when multiple match a given FQDN and removed FQDN out from the > later versions. > > > > Here is the original text if it helps (pre-22) > > > > > > <connection-address>: is taken from RFC 4566 [RFC4566]. It is the > > IP address of the candidate. When parsing this field, an agent > > can differentiate an IPv4 address and an IPv6 address by presence > > of a colon in its value -- the presence of a colon indicates IPv6. > > An agent MUST ignore candidate lines that include candidates with > > IP address versions that are not supported or recognized. An IP > > address SHOULD be used, but an FQDN MAY be used in place of an IP > > address. In that case, when receiving an offer or answer > > containing an FQDN in an a=candidate attribute, the FQDN is looked > > up in the DNS first using an AAAA record (assuming the agent > > supports IPv6), and if no result is found or the agent only > > supports IPv4, using an A record. The rules from section 6 of > > [RFC6724] is followed by fixing the source address to be one from > > the candidate pair to be matched against destination addresses > > reported by FQDN, in cases where the DNS query returns more than > > one IP address. > > > > Thanks > > Suhas > > > > > > > > On Sun, May 12, 2019 at 8:40 PM Flemming Andreasen <fandreas@cisco.com> > wrote: > > Greetings > > RFC 8445 does not include support for domain names. There is currently a > fairly lengthy thread on the MMUSIC list discussing if (and potentially > how) to deal with domain name support in ice-sip-sdp ("FQDN support in > ice-sip-sdp). So far only 3 people seem to be interested in this issue, > they do not agree on the solution, and it has been more than 2 weeks since > we last saw any traffic on this. > > We need to move ice-sip-sdp forward, and since RFC 8445 does not support > domain names in candidates, and we have yet to find a consensus-based > solution to adding such support, we propose that we move forward without > domain name support in ice-sip-sdp (note that it can be added latter as an > extension in a separate draft). > > We are hereby giving people 1 week to object to this (rough) consensus > call, and if they do, to provide another solution that can garner support > and consensus on the MMUSIC list. > > Thanks > > -- Flemmming (with MMUSIC chair on). > > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic > > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic > >
- [MMUSIC] (Rough) Consensus Call - No FQDN support… Flemming Andreasen
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Suhas Nandakumar
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Bernard Aboba
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Bernard Aboba
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Bernard Aboba
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Suhas Nandakumar
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Flemming Andreasen
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Christer Holmberg
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Suhas Nandakumar
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount
- Re: [MMUSIC] (Rough) Consensus Call - No FQDN sup… Roman Shpount