Re: [MMUSIC] New version draft-ietf-mmusic-data-channel-sdpneg-04

[Juergen Stoetzer-Bradler <[e-mail]>]

Hello Christian,

Thank you for your comment.
Agree to adding information to 5.1.1.4 regarding the relationship of the "subprotocol" parameter's 
value and
DCEP DATA_CHANNEL_OPEN message's "Protocol" value. We could then also explicitly add text related
to empty "subprotocol" strings, similar to the "label" parameter related text in 5.1.1.3.
For instance:

"The 'subprotocol' parameter indicates which protocol the client expects to exchange via the channel.
This parameter maps to the 'Protocol' parameter defined in [I-D.ietf-rtcweb-data-protocol].
Section 8.1 specifies how new subprotocol parameter values are registered.
'Subprotocol' is an optional parameter. If the 'subprotocol' parameter is not present, then its 
value defaults to the empty string.

Note: The empty string MAY also be explicitly used as 'subprotocol' value,  such that 
'subprotocol=""' is equivalent to the 'subprotocol' parameter not being
present at all.  [I-D.ietf-rtcweb-data-protocol] allows the DATA_CHANNEL_OPEN message's 
'Subprotocol' value to be an empty string."

Would that be ok for you?

Thank you,
Juergen

On 10.08.2015 07:06, Christian Groves wrote:
> Hello Juergen,
>
> Looks good, only a minor comment:
> Cl.5.1.1.4 - The others clauses mention the mapping DCEP protocol parameter. This clause could 
> also provide a linkage given that we agreed to use the same registry as DCEP.
>
> Regards, Christian
>
> On 4/08/2015 11:43 PM, Juergen Stoetzer-Bradler wrote:
>> Have submitted version 04 of draft-ietf-mmusic-data-channel-sdpneg.
>> This version solves Paul's and Albrecht's comments to -03,
>> http://www.ietf.org/mail-archive/web/mmusic/current/msg14917.html
>> http://www.ietf.org/mail-archive/web/mmusic/current/msg14922.html
>>
>> Especially, I've moved the old section 5, which contained SDP offer/answer independent 
>> considerations
>> and into which I had inserted a couple of editor's notes, to a new Appendix A.
>> Additionally, I've modified this moved text in order to make it as far (JavaScript) API 
>> independent as possible.
>> Former section 6 is therefore now section 5.
>>
>> Thanks,
>> Juergen
>>
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