Subject: Re: [rtcweb] Fwd: I-D Action: draft-johnston-rtcweb-media-privacy-00.txt

From: Alan Johnston <[email-masked]>
Date: Wed, 1 Jun 2011 07:10:01 -0500

Justin,

Thanks for your comment.  You are correct, the mapping of any
offer/answer exchange will need to be mappable to SDP, so this is
possible.

- Alan -

On Tue, May 31, 2011 at 10:41 PM, Justin Uberti <[email-masked]> wrote:
> Interesting read. One comment - I believe the statement in this draft
> "In the RTCWEB architecture, there is no standardization of the signaling
> protocol possible, and hence this [SRTP SDES] approach can not be used"
> is not completely accurate. While the syntax of the signaling protocol (e.g.
> HTTP, XMPP, SIP) is left up to the web application, we must have a clear
> definition of the protocol semantics, as well as the format of session
> descriptions (as understood by the browser), so that they can be mapped to
> SDP / XMPP if desired.
> Therefore there is no reason we cannot include SRTP keying information in
> these session descriptions.
>
> On Tue, May 31, 2011 at 8:21 PM, Alan Johnston <[email-masked]>
> wrote:
>>
>> All,
>>
>> Here is a new draft with some thoughts on media privacy in RTCWEB.  We
>> discuss the challenge of providing media privacy for browser users
>> when there is no standardization of the signaling protocol.  We also
>> discuss the need to sometimes allow trusted Man in the Middle (MitM)
>> servers to provide media services. We also discuss how ZRTP ("Media
>> Path Key Agreement for Unicast Secure RTP" RFC 6189) meets these
>> requirements.
>>
>> Comments most welcome.
>>
>> - Alan -
>>
>>
>> ---------- Forwarded message ----------
>> From:  <[email-masked]>
>> Date: Tue, May 31, 2011 at 10:15 PM
>> Subject: I-D Action: draft-johnston-rtcweb-media-privacy-00.txt
>> To: [email-masked]
>>
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts
>> directories.
>>
>>        Title           : RTCWEB Media Privacy
>>        Author(s)       : Alan Johnston
>>                          Philip Zimmermann
>>        Filename        : draft-johnston-rtcweb-media-privacy-00.txt
>>        Pages           : 7
>>        Date            : 2011-05-31
>>
>>   RTCWEB is the joint effort between the IETF and the W3C to add real-
>>   time voice, video, and communication capabilities to browsers.  This
>>   document looks at the requirements for media privacy and existing
>>   mechanisms.
>>
>>
>> A URL for this Internet-Draft is:
>>
>> http://www.ietf.org/internet-drafts/draft-johnston-rtcweb-media-privacy-00.txt
>>
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>>
>> This Internet-Draft can be retrieved at:
>>
>> ftp://ftp.ietf.org/internet-drafts/draft-johnston-rtcweb-media-privacy-00.txt
>> _______________________________________________
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>
>