Re: francois' comments and why RFC4474 not used in the field

 

> -----Original Message-----
> From: Dean Willis [mailto:[email protected]] 
> Sent: Thursday, April 02, 2009 21:02
> To: Audet, Francois (SC100:3055)
> Cc: Dwight, Timothy M (Tim); Cullen Jennings; [email protected]; 
> DRAGE, Keith (Keith)
> Subject: Re: [Sip] francois' comments and why RFC4474 not 
> used in the field
>
> > And what draft-wing-sip-identity-media does is show how and 
> 4474-like 
> > mechanism that doesn't protect the IP address can be used in 
> > conjunction with DTLS-SRTP, to provide an adequate level of 
> security.
> >
> > So, I'll repeat the question from a previous email: what's 
> wrong with 
> > draft-wing-sip-identity-media???
> 
> If I understand the argument, extending the d-w-s-i-m 
> approach to non- DTLS media legitimizes the obfuscation of 
> the one media identifier we do have -- the IP address. Some 
> people seem to find this unacceptable.

No, that's not what I'm saying.

I'm saying draft-wing-sip-identity-media WITH DTLS-SRTP.
                                         ^^^^

What's wrong with that approach?

Unless I'm missing something, it does seem to achieve end-to-end
media and identity security.
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