Re: [MMUSIC] ice-options attribute: session- and media-level?
Marc Petit-Huguenin <marc@petit-huguenin.org> Mon, 23 April 2018 16:45 UTC
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To: Suhas Nandakumar <suhasietf@gmail.com>, Peter Saint-Andre <stpeter@mozilla.com>
Cc: mmusic WG <mmusic@ietf.org>
References: <D6FF6FE7.2E7A2%christer.holmberg@ericsson.com> <CAD5OKxuiaQEd=vpU=W65kGGi8wWUvuQq0X=_=x_4w6TOu_qFOw@mail.gmail.com> <2a27e3fb-528a-92a9-bdfc-e4f303d34221@mozilla.com> <CAMRcRGT=KvEyafM=bNwfmF0B5A70BrHXUBSoFFrEDPKY=fSMmg@mail.gmail.com>
From: Marc Petit-Huguenin <marc@petit-huguenin.org>
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Date: Mon, 23 Apr 2018 09:45:14 -0700
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Subject: Re: [MMUSIC] ice-options attribute: session- and media-level?
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This was done as a consequence of merging this draft in ice-bis: https://www.ietf.org/archive/id/draft-petithuguenin-mmusic-ice-attributes-level-04.txt There is probably discussions that can be found in the minutes of IETF meetings around that time when the WG agreed to that modification. On 04/20/2018 11:09 PM, Suhas Nandakumar wrote: > I am fine with considering ice-options has session level too. I wonder if > Marc can chime in on considering it as media level in the ice-sip-sdp. > > On Fri, Apr 20, 2018 at 12:07 PM, Peter Saint-Andre <stpeter@mozilla.com> > wrote: > >> On 4/20/18 12:37 PM, Roman Shpount wrote: >>> Hi All, >>> >>> I do not think ice-options was ever used as a media level attribute. >>> Only two ice-options defined in IANA registry >>> (https://www.iana.org/assignments/ice/ice.xhtml) are ice2 and rtp+ecn, >>> which are both session level. >>> >>> Furthermore, RFC 5245 section 15.5 >>> (https://tools.ietf.org/html/rfc5245#section-15.5,) defined that >>> ice-options attribute is session level only. Thus, ice-options should be >>> kept session level for backwards compatibility. >>> >>> If something more granular then session is needed, I think it should go >>> into candidate extension attribute, not into media level ice-options. >>> >>> Bottom line, I think ice-options should be a a session level only >> attribute. >> >> Agreed. >> >> In the Trickle ICE spec, we also limited the `trickle` option to session >> level only. >> >> Peter >> >> -- Marc Petit-Huguenin Email: marc@petit-huguenin.org Blog: https://marc.petit-huguenin.org Profile: https://www.linkedin.com/in/petithug
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Roman Shpount
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Paul Kyzivat
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Roman Shpount
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Suhas Nandakumar
- [MMUSIC] ice-options attribute: session- and medi… Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Roman Shpount
- Re: [MMUSIC] ice-options attribute: session- and … Peter Saint-Andre
- Re: [MMUSIC] ice-options attribute: session- and … Suhas Nandakumar
- Re: [MMUSIC] ice-options attribute: session- and … Suhas Nandakumar
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Magnus Westerlund
- Re: [MMUSIC] ice-options attribute: session- and … Suhas Nandakumar
- Re: [MMUSIC] ice-options attribute: session- and … Marc Petit-Huguenin
- Re: [MMUSIC] ice-options attribute: session- and … Roman Shpount
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg
- Re: [MMUSIC] ice-options attribute: session- and … Christer Holmberg