Re: [AVT] Fwd: [Tsvwg] Looking for feedback on DTLS

[Colin Perkins <csp at csperkins.org>]

Mark,

On 16 Aug 2004, at 03:30, Mark Baugher wrote:
>   I have no idea why you are discussing http over IPsec.  I think this 
> topic should have zero interest for this working group.  I am not 
> saying that DTLS is a bad thing.  I am saying that I don't think the 
> value of DTLS has yet been shown for RTP.  
> http://www.ietf.org/internet-drafts/draft-rescorla-dtls-01.txt does 
> not motivate DTLS for RTP, it mentions SIP.  I doubt that DTLS for SIP 
> will be any more useful than RFC 2487 has been for SMTP, but that's 
> also largely beside the point for this WG.
>
>   The onus should be on you to tell us why DTLS is important for RTP 
> and not for us to explain why it is not.  So, I'll ask again:  RTP has 
> two security alternatives, IPsec and SRTP, what's the value for adding 
> DTLS as a third?

In forwarding the draft, I was hoping the working group could discuss 
that very question, rather than dismissing the DTLS work out of hand. 
We have a charter item to work on RTP over TCP/TLS, and I would 
consider alternative RTP security mechanisms (in addition to SRTP and 
IPsec) to be explicitly within our scope.

Colin


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