So, having re-read all these drafts...
Cullen/Jon,
Why is something like draft-wing-sip-identity-media (let's focus just
on the DTLS-SRTP version for now) not a proper solution to the problem we
are trying to solve?
The problem being (I think):
Identity Assertion of both the Signalling and the Media, BUT allowing
for relays?
This has the advantage of being end-to-end. I guess the alternative is
to not have end-to-end media identity assertion, and instead have Alice-to-
her-service-provider's relay, and Bob-to-his-service-provider's-relay
instead.
> -----Original Message-----
> From: Dan Wing [mailto:[email protected]]
> Sent: Monday, March 30, 2009 21:16
> To: Audet, Francois (SC100:3055); 'Jonathan Rosenberg'; 'Jiri Kuthan'
> Cc: 'SIP IETF'; 'Uzelac, Adam'; 'Dean Willis'
> Subject: RE: [Sip] francois' comments and why RFC4474 not
> used in the field
>
>
>
>
> > -----Original Message-----
> > From: Francois Audet [mailto:[email protected]]
> > Sent: Monday, March 30, 2009 7:53 PM
> > To: Jonathan Rosenberg; Jiri Kuthan; Dan WING
> > Cc: SIP IETF; Uzelac, Adam; Dean Willis
> > Subject: Re: [Sip] francois' comments and why RFC4474 not
> used in the
> > field
> >
> > For everybody's reference, can you point to Dan's draft?
>
> It is
> http://tools.ietf.org/html/draft-wing-sip-identity-media-02
>
> other proposals in the same sphere,
> http://tools.ietf.org/html/draft-fischer-sip-e2e-sec-media-00
> http://tools.ietf.org/html/draft-kaplan-sip-asserter-identity-01
>
> -d
>
>
> > On Mar30 2009 19:12 , "Jonathan Rosenberg"
> <[email protected]> wrote:
> >
> > > inline:
> > >
> > > Jiri Kuthan wrote:
> > >
> > >
> > >>> From an end user perspective, I would assert that the
> > most important
> > >>> thing is probably the media. If the callerID says, "this
> > is bob", what
> > >>> is important to the user, is that when I pick up the
> > phone and start
> > >>> talking, it will be Bob who hears me, and Bob that I hear.
> > >>>
> > >>> Consider this litmus test:
> > >>>
> > >>> If the signaling actually came from Mary (perhaps as a
> > third party),
> > >>> but the media goes/comes to/from Bob, who should appear
> > on the caller
> > >>> ID? I say - Bob.
> > >>
> > >> There is a timing aspect in favor of placing identity in
> > signaling --
> > >> I would like to know whose call is ringing before I answer
> > (if I do).
> > >
> > > You can still have that. Just don't ring the phone until
> > early media has
> > > been exchanged and verified. Indeed if you were doing an
> > ICE-style thing
> > > per Dan's draft, you'd get that for free.
> > >
> > > -Jonathan R.
> > >
> > >
> >
>
>
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