>>i strongly disagree. b2bua is just an ua. if you you build or deploy >>such boxes, it is your headache, not sip wg's.
I agree with Juha here. Every attempt at fixing identity problems (and they have been clever solutions) has been hindered with the "but it won't work with B2BUAs" argument. The problem is not "it won't work with B2BUAs" - the problem is that B2BUA identity and security problems are unsolveable anyway. A B2BUA cannot be forced to do anything because even if you said "it must do this and that", a B2BUA can do what it wants anyway (I'm sure we've all seen this). Even if B2BUAs agreed to do certain things, one would always enf up with something else that gets B2B'ed. It is no different to trying to solve the problem of 2 telephones taped together. You can only trust things up to a certain boundary. And the boundaries of SIP are the UAs. The best that SIP can do is to control what happens between a UA and another UA (and proxies in between) and that's it. Regards, Attila -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Juha Heinanen Sent: 31 October 2008 06:31 To: Elwell, John Cc: [email protected]; Dan Wing Subject: Re: [Sip] submission of a new I-D: "Dialog Event foRIdentityVErification" Elwell, John writes: > > I support draft-kuthan-sip-derive-00, and hope the WG can devote > > time and energy to improving and standardizing it to work well > > across a variety of networks. > [JRE] I agree. This must include networks that contain B2BUAs/SBCs. i strongly disagree. b2bua is just an ua. if you you build or deploy such boxes, it is your headache, not sip wg's. it is enough that this work is based on rfc3261 components. -- juha _______________________________________________ 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 _______________________________________________ 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
