Re: [rtcweb] I-D Action: draft-ietf-rtcweb-data-channel-08.txt

[Christer Holmberg <[e-mail]>]

Hi,

If you want to describe the WebRTC usage, I'm fine using SRTP.

But, again, as there are other usages of the data channel than WebRTC, the generic text should not talk about only SRTP.

Regards,

Christer

-----Original Message-----
From: rtcweb [mailto:[e-mail]] On Behalf Of Michael Tuexen
Sent: 09 April 2014 18:11
To: Magnus Westerlund
Cc: [e-mail]; Colin Perkins
Subject: Re: [rtcweb] I-D Action: draft-ietf-rtcweb-data-channel-08.txt


On 09 Apr 2014, at 17:01, Magnus Westerlund <[e-mail]> wrote:

> On 2014-04-09 16:47, Michael Tuexen wrote:
>> 
>> On 09 Apr 2014, at 16:39, Colin Perkins <[e-mail]> wrote:
>> 
>>> On 9 Apr 2014, at 15:33, Michael Tuexen <[e-mail]> wrote:
>>>> On 09 Apr 2014, at 16:25, Colin Perkins <[e-mail]> wrote:
>>>>> On 9 Apr 2014, at 15:20, Michael Tuexen <[e-mail]> wrote:
>>>>>> On 09 Apr 2014, at 13:00, Colin Perkins <[e-mail]> wrote:
>>>>>>> On 9 Apr 2014, at 11:02, [e-mail] wrote:
>>>>>>>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>>>>>>>> This draft is a work item of the Real-Time Communication in WEB-browsers Working Group of the IETF.
>>>>>>>> 
>>>>>>>>  Title           : WebRTC Data Channels
>>>>>>>>  Authors         : Randell Jesup
>>>>>>>>                    Salvatore Loreto
>>>>>>>>                    Michael Tuexen
>>>>>>>> 	Filename        : draft-ietf-rtcweb-data-channel-08.txt
>>>>>>>> 	Pages           : 15
>>>>>>>> 	Date            : 2014-04-09
>>>>>>>> 
>>>>>>>> Abstract:
>>>>>>>> The Real-Time Communication in WEB-browsers working group is 
>>>>>>>> charged to provide protocol support for direct interactive rich 
>>>>>>>> communication using audio, video, and data between two peers' 
>>>>>>>> web-browsers.  This document specifies the non-(S)RTP media 
>>>>>>>> data transport aspects of the WebRTC framework.  It provides an 
>>>>>>>> architectural overview of how the Stream Control Transmission 
>>>>>>>> Protocol (SCTP) is used in the WebRTC context as a generic 
>>>>>>>> transport service allowing WEB-browsers to exchange generic data from peer to peer.
>>>>>>> 
>>>>>>> This talks about "(S)RTP" throughout, but the rtp-usage draft requires that SRTP be used for WebRTC, and disallows plain RTP. I think this draft could be simplified by changing "(S)RTP" to "SRTP" throughout.
>>>>>> Hi Colin,
>>>>>> 
>>>>>> The (S)RTP notion goes back to a comment from Magnus. If I remember it correctly he considers SRTP a profile of RTP. Since I don't wanted to just use RTP, I ended up with (S)RTP based on a discussion with Magnus.
>>>>>> 
>>>>>> However, I'm fine with changing it to SRTP...
>>>>> 
>>>>> SRTP is an RTP profile. My comment was that if this is for WebRTC only, then  only SRTP can be used, and not plain RTP. Using "(S)RTP" rather than "SRTP" in this draft suggests that the secure profile is optional, which isn't the case in WebRTC. If this is for more general use than WebRTC, then "(S)RTP" is fine.
>>>> It is clear that in WebRTC only SRTP is used...
>>> 
>>> I don't believe your draft is clear on that, due to the use of "(S)RTP" terminology. That's why I commented.
>> I'm happy to change it to SRTP... Let's see what Magnus thinks...
> 
> I am fine with that!
OK. Next revision used SRTP.

Best regards
Michael
> 
> /Magnus
> 
>> 
>> Best regards
>> Michael
>>> 
>>> --
>>> Colin Perkins
>>> http://csperkins.org/
>>> 
>>> 
>>> 
>>> 
>> 
>> 
>> 
> 
> 
> --
> 
> Magnus Westerlund
> 
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