> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Dean Willis > Sent: Thursday, April 02, 2009 8:50 PM > To: Jiri Kuthan > Cc: SIP List; Uzelac, Adam > Subject: Re: [Sip] francois' comments and why RFC4474 not > used in the field > > > On Apr 1, 2009, at 5:46 PM, Jiri Kuthan wrote: > > > Dean Willis wrote: > >> On Mar 30, 2009, at 8:03 PM, Jiri Kuthan wrote: > >>> > >>> 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). > >> So, we need identity in signaling, we need identity in media, and > >> we need the two identity expressions to match. > > > > I'm personally happy with having it only in signaling. Should there > > be some in media too, I would be in favor of keeping those two > > separate -- I'm not a particular fan of protocol dependencies. > > That's just not about aesthetic expression -- once a protocol > > begins to depend on other protocol, which one possibly does not > > need, the cost and adaptability decreases. Single-purpose > > things without dependencies have a much sounder chance of > > deployment. > > > > So you're okay with knowing who dialed you, but not knowing who you > are actually talking to? > > Personally, I want something that at least correlates the signaling > and media streams.
All 5 techniques described in http://tools.ietf.org/html/draft-wing-sip-identity-media-02#section-4 accomplish that using TLS, DTLS-SRTP, ICE, HIP, or ZRTP -- any of those choices has different tradeoffs. -d _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [email protected] for questions on current sip Use [email protected] for new developments on the application of sip
