Re: [rtcweb] Stream control: [MMUSIC] msid-04 submitted
Christer Holmberg <christer.holmberg@ericsson.com> Thu, 20 February 2014 20:31 UTC
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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: 'Harald Alvestrand' <harald@alvestrand.no>, "rtcweb@ietf.org" <rtcweb@ietf.org>
Thread-Topic: [rtcweb] Stream control: [MMUSIC] msid-04 submitted
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Date: Thu, 20 Feb 2014 20:31:22 +0000
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Subject: Re: [rtcweb] Stream control: [MMUSIC] msid-04 submitted
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Hi,
My suggestion was to omit something else. But, at the moment I don’t have the drafts in front of me, so I can’t suggest anything specific.
Regards,
Christer
Sent from Windows Mail
From: 'Harald Alvestrand'<mailto:harald@alvestrand.no>
Sent: Thursday, February 20, 2014 2:22 AM
To: Hans-Christer Holmberg<mailto:christer.holmberg@ericsson.com>, rtcweb@ietf.org<mailto:rtcweb@ietf.org>
On 02/19/2014 09:50 PM, Christer Holmberg wrote:
Hi,
If the indication is NOT permanent, can't we use the existing direction attributes (sendrecv, sendonly etc)?
We could - but how would we then indicate "permanent"?
Omitting the direction attribute means the same as "sendrecv", if I'm not mistaken. So you can't have meant omitting that.
So what were you suggesting?
Regards,
Christer
Sent from my Sony Ericsson Xperia arc S
Harald Alvestrand <harald@alvestrand.no><mailto:harald@alvestrand.no> wrote:
On 02/19/2014 09:19 AM, Christer Holmberg wrote:
Hi,
If the indication is “permanent”, rather than using a new msid-control attribute, could it be indicated by NOT including some information in the Answer?
Certainly, but then you have to include some information in the answer when the indication is not permanent.
Which information were you thinking of utilizing as a signal?
Regards,
Christer
Sent from Windows Mail
From: 'Harald Alvestrand'<mailto:harald@alvestrand.no>
Sent: Wednesday, February 19, 2014 1:35 AM
To: Hans-Christer Holmberg<mailto:christer.holmberg@ericsson.com>, rtcweb@ietf.org<mailto:rtcweb@ietf.org>
One thing I did not add in my previous reply:
If an offerer sets the direction of an m-line to sendrecv, and the
answerer sets the direction to sendonly, the offerer will have no
indication of whether the answerer intended the suspension of traffic to
be temporary (msid-control: disable) or permanent (msid-control: reject
or msid-control: stop).
That was actually the main concern that drove the desire for a new
mechanism.
Once the new mechanism was in place, it seemed logical to be explicit
about the other possible actions too, rather than relying on the
sendrecv/sendonly/recvonly parameter.
Harald
--
Surveillance is pervasive. Go Dark.
--
Surveillance is pervasive. Go Dark.
- [rtcweb] Stream control: [MMUSIC] msid-04 submitt… Harald Alvestrand
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Christer Holmberg
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Harald Alvestrand
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Harald Alvestrand
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Christer Holmberg
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Harald Alvestrand
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Christer Holmberg
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Harald Alvestrand
- Re: [rtcweb] Stream control: [MMUSIC] msid-04 sub… Christer Holmberg