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Subject: Re: [regrep] Dynamic Discovery/Binding/Invocation
Thanks David: <Quote> This then allows you to configure a catalogue of business process components into which you put - CPA, Context, BPSS and CAM templates - and when discovery occurs - the new partner can configure the Context and load the templates into their software and start using it. </Quote> I understand that this configuration would be a design-time, not a run-time - is that so? If so, how can such configuration take place at run-time? How can a discovering service "know" at run-time how the database the underlies the service should be mapped (table/field level) to the interface definitions of the newly discovered service? Is this even possible in April 2004? Joe David RR Webber wrote: > > Joe, > > The later - dynamic interface configuration - is the domain > of CAM - acting as a service of registry. > > We can do one part of this already. Given a context > configuration - you apply your context values - and > CAM will adjust the interchange content accordingly. > > Example - if you are a supplier in Canada to GM in > Detroit - you need to provide cross-border shipment > information - while if you are in Michigan - you don't. > > That's the point of the work on Context for BPSS > V2.0 that we have in place. > > This then allows you to configure a catalogue of > business process components into which you put - > CPA, Context, BPSS and CAM templates - and > when discovery occurs - the new partner can > configure the Context and load the templates into > their software and start using it. > > The second part of your scenario - automatic > interchange linkage is also facilitated by CAM > templates - and here is where the UID mechanism > is vital. This allows you to have agent software > that matches UIDs in target and source nouns. > Then there are the noun definitions themselves - > we're working on that in SCM at the moment. > That is the other piece of the puzzle needed by > CAM and the agent - to be able to automatically > pull the facet and predicate information for a > given UID of a noun - and then apply those > rules to the mapping. The OWL work in SCM > is also very important to be able to classify and > relate like / equivalent / and similar parts so the > software agent can determine that a UID from > one domain is actually related to a UID from > another. > > The peices are there - what is needed as ever > is projects and funding to validate it and complete > the detail implementation. > > DW > > ----- Original Message ----- > From: "Chiusano Joseph" <chiusano_joseph@bah.com> > To: <regrep@lists.oasis-open.org> > Sent: Tuesday, April 20, 2004 2:29 PM > Subject: [regrep] Dynamic Discovery/Binding/Invocation > > > The following question might sound silly coming from someone who knows > > our spec so well, but it's a usage scenario that I just had to begin to > > think about. > > > > Is anyone using ebXML Registry for dynamic discovery/binding/invocation > > of Web Services? More specifically: > > > > - A Web Service would dynamically discover another Web Service; > > > > - It would use the discovered Web Service's interface definitions (e.g. > > WSDL document) to dynamically construct message definitions that conform > > to the discovered Web Service's interface definitions; > > > > - It would then map its data to these messages definitions and invoke > > the discovered Web Service; > > > > If no one is using an ebXML Registry this way, how close are we to this? > > It seems to me that the "dynamically constructed messages definitions", > > and - even more so - the dynamic mapping, would be challenging. Does > > this fall more under semantic technologies? If so, will it ever be > > possible? > > > > Thanks, > > Joe > > -- > > Kind Regards, > > Joseph Chiusano > > Associate > > Booz | Allen | Hamilton > > > > To unsubscribe from this mailing list (and be removed from the roster of > the OASIS TC), go to > http://www.oasis-open.org/apps/org/workgroup/regrep/members/leave_workgroup.php. > > > > -- Kind Regards, Joseph Chiusano Associate Booz | Allen | Hamilton
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