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Re: [MMUSIC] ice-options attribute: session- and media-level?

Peter Saint-Andre <stpeter@mozilla.com> Tue, 19 June 2018 22:14 UTC

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To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: Suhas Nandakumar <suhasietf@gmail.com>, Marc Petit-Huguenin <marc@petit-huguenin.org>, 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> <9865a04c-312c-1a81-7f96-5baa237f3d55@petit-huguenin.org> <CAD5OKxt+1OspnDEOx9LvmPOZDsAUP+neypPWbuc0cA0ECx_tow@mail.gmail.com> <D704AF8C.2EAB4%christer.holmberg@ericsson.com> <CAMRcRGRJXU2qJau+CVAZvCmQbvmJmGE1FhQcaWdeREoycfUHvg@mail.gmail.com> <60b613f8-e74f-b8ae-218f-c87f5aa637c1@mozilla.com> <524819F6-7D0E-48F4-A818-419675DDF672@ericsson.com> <cb9cfd21-5557-7a33-721d-3fec3913c958@mozilla.com> <f9b0161f91a742a4af6b84bd30869d26@ericsson.com>
From: Peter Saint-Andre <stpeter@mozilla.com>
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Date: Tue, 19 Jun 2018 16:14:11 -0600
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Subject: Re: [MMUSIC] ice-options attribute: session- and media-level?
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Good catch. So, yes, we need to define this consistently and in the
right places...

On 6/19/18 4:13 PM, Christer Holmberg wrote:
> Hi,
> 
> To further complicate, it seems like RFC 5245 defines ice-options as a session-level attribute only...
> 
> draft-5245bis says:
> 
> "Extensions:  New media-stream or session-level attributes (ice-options)."
> 
> In addition, draft-5245bis defines new "ice2" ice option. It doesn't say whether it's media or session, but I assume is something that some could consider a session-level.
> 
> Regards,
> 
> Christer
> 
> 
> -----Original Message-----
> From: Peter Saint-Andre [mailto:stpeter@mozilla.com] 
> Sent: 19 June 2018 21:40
> To: Christer Holmberg <christer.holmberg@ericsson.com>
> Cc: Suhas Nandakumar <suhasietf@gmail.com>; Marc Petit-Huguenin <marc@petit-huguenin.org>; mmusic WG <mmusic@ietf.org>
> Subject: Re: [MMUSIC] ice-options attribute: session- and media-level?
> 
> On 6/19/18 12:38 PM, Christer Holmberg wrote:
>> Hi,
>>
>> The draft defines the ice-options SDP attribute, so the draft needs to define what type (media and/or session) of SDP attribute it is.
> 
> At the syntax level, yes. Sematically, however, is it perhaps the job of the ICE specification to define whether ICE extensions (however encoded in a using protocol) are session-level or media-level?
> 
> Peter
> 
>> Regards,
>>
>> Christer
>>
>> Sent from my iPhone
>>
>>> On 19 Jun 2018, at 21.31, Peter Saint-Andre <stpeter@mozilla.com> wrote:
>>>
>>>> On 6/16/18 1:20 AM, Suhas Nandakumar wrote:
>>>> Hello All
>>>>
>>>>   Circling back on this topic in making ice-options to be solely 
>>>> Session Level and given the majority of responses favored Session 
>>>> level, I can make changes in ice-sip-sdp to reflect the same, unless 
>>>> i hear arguments otherwise.
>>>
>>> I agree with the direction, but is draft-mmusic-ice-sip-sdp the right 
>>> place for this, given that ICE options can be used outside of SIP/SDP?
>>>
>>> Peter
>>>
>

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