> -----Original Message----- > From: sipping-bounces@xxxxxxxx > [mailto:sipping-bounces@xxxxxxxx] On Behalf Of Salvatore Loreto > Sent: 25 January 2009 10:22 > To: Dale Worley > Cc: SIPPING > Subject: Re: Comments > ondraft-loreto-sipping-context-id-requirements-00 > > Hi Dale, > > sorry to be late on this answer, I agree that have a clear > understanding > of the capabilities > we want for the mechanism is necessary to clearly write down the > requirement. > > In my mind I have an Idea equal on what you expressed in Req A > > Req A: It must be possible, when establishing a dialog, to > specify that > it be correlated with one or more already existing dialogs, which > dialogs, at the time they were created, did not need to specify that > they might be correlated with in the future. [JRE] I don't think this is a valid requirement, because it has a particular class of solutions in mind. In my opinion the basic requirement should be something along the lines of "It must be possible to establish, modify and clear down a multimedia session between two parties, one or both of which use different devices for different media." John > > > However, the requirements need to be discussed and agreed by > all the wg > and also Req B , that is a little more restrictive could be > from my > point of view an acceptable compromise. > > > /Sal > > > > Dale Worley wrote: > > On Fri, 2008-12-19 at 16:45 +0200, salvatore loreto wrote: > > > >> Do you think we should be more explicit on this point? > >> > > > > The first question is to come to a clearer understanding in our own > > minds what capabilities we want the mechanism to have. > After that, we > > can write clearly what the requirements are. > > > > In this case, the following two requirements may be quite > different in > > regard to the solutions that they admit: > > > > Req A: It must be possible, when establishing a dialog, to > specify that > > it be correlated with one or more already existing dialogs, which > > dialogs, at the time they were created, did not need to specify that > > they might be correlated with in the future. > > > > Req B: It must be possible, when establishing a dialog, to > specify that > > it be correlated with one or more already existing dialogs, which > > dialogs, at the time they were created, may be required to have > > specified that they might be correlated with in the future. > > > > Dale > > > > > > > > > > _______________________________________________ > Sipping mailing list https://www.ietf.org/mailman/listinfo/sipping > This list is for NEW development of the application of SIP > Use sip-implementors@xxxxxxxxxxxxxxx for questions on current sip > Use sip@xxxxxxxx for new developments of core SIP > _______________________________________________ Sipping mailing list https://www.ietf.org/mailman/listinfo/sipping This list is for NEW development of the application of SIP Use sip-implementors@xxxxxxxxxxxxxxx for questions on current sip Use sip@xxxxxxxx for new developments of core SIP
