Re: [avtext] Barry Leiba's No Objection on draft-ietf-avtext-rtp-stream-pause-08: (with COMMENT)

[Barry Leiba <[e-mail]>]

Hi, Magnus; thanks for the response and explanation.  Yes, adding a
sentence to that paragraph would be good, along the line of "This
updates RFC 5104 to add the new Pause and Resume semantics to the
TMMBR message."  Minor thing, though... if you think it's clear enough
as it is, I'm not worried further.

Barry

On Fri, Aug 28, 2015 at 8:29 AM, Magnus Westerlund
<[e-mail]> wrote:
> Den 2015-08-19 kl. 21:37, skrev Barry Leiba:
>>
>> Barry Leiba has entered the following ballot position for
>
>
>> ----------------------------------------------------------------------
>> COMMENT:
>> ----------------------------------------------------------------------
>>
>> I have a meta-question about why this "updates" 5104.  It appears to be
>> an extension to 5104, using normal extension mechanisms -- someone
>> implementing 5104 and not intending to implement this would have no
>> reason to look at this document, as far as I can tell.  I don't see
>> anything that describes a *change* to 5104 (though perhaps I've missed
>> it).  What's the reasoning behind specifying "updates"?
>>
>
> The reason this documents Updates RFC5104 is that it clarifies that the
> TMMBR message that is defined in 5104 can also be used for pause if one sets
> bandwidth to 0. This is important to know also for anyone not intending to
> implement PAUSE and Resume semantics.
>
> I realize that this is not clearly stated in the introduction. Perhaps
> something we should address by adding a sentence or two to this paragraph
> from Section 1.
>
>    The Temporary Maximum Media Bitrate Request (TMMBR) message of CCM is
>    used by video conferencing systems for flow control.  It is desirable
>    to be able to use that method with a bitrate value of zero for pause,
>    whenever possible.
>
> Cheers
>
> Magnus Westerlund
>
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