Re: [Dart] draft-ietf-dart-dscp-rtp-02 - Section 4 data channel text

[Ben Campbell <[e-mail]>]

On Aug 26, 2014, at 1:07 AM, Black, David <[e-mail]> wrote:

>>>>> -- section 4:
>>>>> 
>>>>> It might be nice to have a more WebRTC-ish example. For example an audio
>>>>> stream, video stream, and a data channel carrying something like a shared
>>>>> white board or game.
>>>> Sure, please send text.
>>>> 
>>> Okay, how about something like the following, added to the end of section 4:
>>> 
>>> "A WebRTC application may carry one or more RTP streams, as discussed above.
>> In addition, it might carry an SCTP data channel. The treatment of the data
>> channel would depend on the nature of the application. For example, messaging
>> applications, shared white board, or guided browsing applications might be
>> best effort, while a latency-sensitive game application might require a higher
>> priority PHB."
>> 
>> I would prefer to say "A WebRTC application may use...." - an
>> application is something that lives in a browser at one end of a
>> connection, talking to something at the other end of the connection
>> (might be an instance of the same application, might be something
>> completely different).
>> 
>> I would also prefer "might desire" to "might require" - games are
>> unlikely to refuse to operate if they don't get a higher priority PHB,
>> they'll just work with degraded performance. That's nits.
> 
> Done, plus some more editing, here's the result in my working draft:
> 
>   A WebRTC application may use one or more RTP streams, as discussed
>   above.  In addition, it may include an SCTP-based data channel
>   [I-D.ietf-rtcweb-data-channel] whose QoS treatment depends on the
>   nature of the application.  For example, best effort treatment of
>   data channels is likely to suffice for messaging, shared white board,
>   and guided browsing applications, whereas latency-sensitive games
>   might desire better QoS for their data channels.
> 

WFM.