Re: [rmcat] Priority and rtcweb

[Varun Singh <[e-mail]>]

Hi Michael,

On Mon, Nov 13, 2017 at 10:44 AM, Michael Welzl <[e-mail]> wrote:

> Can I hijack this thread to talk about priority?
>
>
Priority is already defined in the API document to the following levels:
high, medium, low, very-low.
These labels map to the text in the transport document

        Thus, when congestion occurs, a "high" priority flow will have the
        ability to send 8 times as much data as a "very-low" priority flow
if
        both have data to send. This prioritization is independent of the
        media type. The details of which packet to send first are
        implementation defined.

WEBRTC API:
https://rawgit.com/w3c/webrtc-pc/master/webrtc.html#dom-rtcprioritytype



> There was a thread about priority in rtcweb - someone asking for a float…
> coupled-cc can easily support a float, but Harald’s transport draft doesn’t
> support it. Opinions went back and forth for a bit...
> I think we should get more WebRTC deployment and not more debate on small
> details that delays the work, so I don’t want to be a troublemaker and
> didn’t interfere with this discussion.
> But, what is the view of people in rmcat about this?
>
>
While the API does not provide a float value, nonetheless, doesn't the
WebRTC stack or framework under the JS API have all the information to
convert the set labels in to a float values after the flows are assigned
values?



> Cheers,
> Michael
>
>
> On Nov 13, 2017, at 2:41 PM, Varun Singh <[e-mail]> wrote:
>
> Hi,
>
> Was there a study done for the parameters needed for congestion control? I
> know we debated this at length, were there slides created by  the
> congestion control proponents, that I can reference.
>
> From the top of my head, I remember there’s
> + priority (needed by coupled congestion control)
>
> I’m asking this for w3c input. They already have max bitrate, max
> framearte, and degradation preference  degradation preference indicates
> where the bits should be allocated: in maintaining frame rates or frame
> sizes.
>
> Feedback is appreciated To make sure we didn’t miss anything.
>
> Cheers,
> Varun.
> --
> Founder, CEO, callstats.io
> http://www.callstats.io
>
> Interested in networking, media quality, and diagnostics.
> We are hiring!: www.callstats.io/jobs/
>
>
>


-- 
Founder, CEO, callstats.io
http://www.callstats.io

Interested in networking, media quality, and diagnostics.
We are hiring!: www.callstats.io/jobs/