Re: [MMUSIC] 1 week WGLC on recent changes to draft-ietf-mmusic-dtls-sdp (-14 to -16)

Christer Holmberg <christer.holmberg@ericsson.com> Thu, 26 January 2017 12:10 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>, Flemming Andreasen <fandreas@cisco.com>, mmusic <mmusic@ietf.org>
Thread-Topic: 1 week WGLC on recent changes to draft-ietf-mmusic-dtls-sdp (-14 to -16)
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Date: Thu, 26 Jan 2017 12:09:55 +0000
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Subject: Re: [MMUSIC] 1 week WGLC on recent changes to draft-ietf-mmusic-dtls-sdp (-14 to -16)
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Hi ChrisŠ eeeh.. Nevenka,

Thanks for your comments! Please see inline.

> 
>I reviewed draft-ietf-mmusic-dtls-sdp-16.txt and have the following
>comments:
>
> 
>-         In Section 1 the following statement is not aligned with the
>recent change which made "dtls-id" attribute globally unique i.e. the pair
>of "dtls-id" attribute values (the attribute values of the offerer and the
>answerer) uniquely identifies the DTLS association instead of the
>"dtls-id" attribute pair in combination with "fingerprint" attribute
>values (the attribute values of the offerer and the answerer). Thus the
>following sentence requires modification:
>
>"The 'dtls-id' attribute pair in combination with Œfingerprint' attribute
>values from offer and answer SDP uniquely identifies the DTLS
>association."

I will replace the sentence with the following:

   "The pair of SDP 'dtls-id' attribute values (the attribute values of
    the offerer and the answerer) uniquely identifies the DTLS
    association."



>-        In section 4 there are contradicting statements related to a
>default value of "dtls-id" attribute:
>"Default Value: empty value "
> 
>But the text says:
>"No default value is defined for the SDP 'dtls-id' attribute. "
> 
>
>Based on the above text  "empty value" should be replaced with "N/A"

I agree. I¹ll replace ³empty value² with ³N/A².


>
> 
>-        I believe that RFC 4572 should be included in 14.2 since it is
>(and should be) referenced in sections 9.2 & 9.3 from old text in RFC 5763
>and RFC 7345, 

I will add a normative reference to RFC 4572 (even though the idnits tool
will complain about the reference not being used in the main text).


>but the new text requires modification and should refer to
>draft ietf-mmusic-4572-update (but currently still has reference to RFC
>4572).

Good catch. I¹ll replace the reference in the new text.


> 
>-        In addition I also found some editorial nits that I have provided
>directly to the authors.
> 

I¹ll fix those (some are the same also found by Christian Groves).


Thanks!

Regards,

Christer



>
>On 19/01/17 00:24, "Flemming Andreasen" <fandreas@cisco.com> wrote:
>
>>Greetings
>>
>>We previously completed WGLC on draft-ietf-mmusic-dtls-sdp, however
>>there has been some updates to the draft subsequently. We are hereby
>>issuing a 1 week WGLC on the the changes from -14 to -16 only, as
>>indicated by the following URL:
>>
>>https://www.ietf.org/rfcdiff?url1=draft-ietf-mmusic-dtls-sdp-14&url2=draf
>>t
>>-ietf-mmusic-dtls-sdp-16
>>
>>If you have any comments on the updates, please provide those by
>>Wednesday, January 25. Comments should be sent to the document authors
>>and the MMUSIC WG list.
>>
>>Thanks
>>
>>-- Flemming (as MMUSIC co-chair)
>>
>>
>>
>>
>