Re: [MMUSIC] I-D Action: draft-ietf-mmusic-dtls-sdp-05.txt

Hi Christer,

I’ve read the draft, and have no objection to it going to working group last call. 

The only real technical comment I had is that the draft doesn’t really describe how errors are to be handled in all cases, so there’s perhaps scope for different interpretations (e.g., what does the answering party do if the offer includes “a=dtls-connection:existing” but there is no DTLS connection?  Or what happens if an existing connection is used, but the answer contains a modified fingerprint? etc.) Much of this is likely obvious to someone more familiar with all the referenced specs, but it might not hurt to add extra references, or spell out the details.

Cheers,
Colin

> On 3 Feb 2016, at 07:50, Christer Holmberg <christer.holmberg@ericsson.com> wrote:
> 
> Hi Colin,
>  
> Could you take a look at the draft, and indicate on the list if you think that we are ready to start WGLC (or, if you don’t think we’re ready, indicate why).
>  
> Note that comments etc can still be given during WGLC, but personally I don’t see any major issues that would have to be dealt with before we begin WGLC.
>  
> Thanks!
>  
> Regards,
>  
> Christer
>  
>  
> From: mmusic [mailto:mmusic-bounces@ietf.org] On Behalf Of Flemming Andreasen
> Sent: 29. tammikuuta 2016 4:30
> To: mmusic
> Subject: [MMUSIC] Fwd: I-D Action: draft-ietf-mmusic-dtls-sdp-05.txt
>  
> Greetings MMUSIC
> 
> We would like to start moving towards WGLC on this draft - do people believe the draft is ready for that at this point ? If not, please let us know which issues you see. 
> 
> Thanks 
> 
> -- Flemming (as MMUSIC chair)
> 
> 
> 
> 
> -------- Forwarded Message -------- 
> Subject: 
> [MMUSIC] I-D Action: draft-ietf-mmusic-dtls-sdp-05.txt
> Date: 
> Mon, 18 Jan 2016 09:30:11 -0800
> From: 
> internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>
> To: 
> i-d-announce@ietf.org <mailto:i-d-announce@ietf.org>
> CC: 
> mmusic@ietf.org <mailto:mmusic@ietf.org>
>  
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>  This draft is a work item of the Multiparty Multimedia Session Control Working Group of the IETF.
>  
>         Title           : Using the SDP Offer/Answer Mechanism for DTLS
>         Authors         : Christer Holmberg
>                           Roman Shpount
>         Filename        : draft-ietf-mmusic-dtls-sdp-05.txt
>         Pages           : 21
>         Date            : 2016-01-18
>  
> Abstract:
>    This draft defines the SDP offer/answer procedures for negotiating
>    and establishing a DTLS association.  The draft also defines the
>    criteria for when a new DTLS association must be established.
>  
>    This draft defines a new SDP media-level attribute, 'dtls-
>    connection'.
>  
>  
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mmusic-dtls-sdp/ <https://datatracker.ietf.org/doc/draft-ietf-mmusic-dtls-sdp/>
>  
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-mmusic-dtls-sdp-05 <https://tools.ietf.org/html/draft-ietf-mmusic-dtls-sdp-05>
>  
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-mmusic-dtls-sdp-05 <https://www.ietf.org/rfcdiff?url2=draft-ietf-mmusic-dtls-sdp-05>
>  
>  
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>  
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/ <ftp://ftp.ietf.org/internet-drafts/>
>  
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-- 
Colin Perkins
https://csperkins.org/