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Subject: Re: [soa-rm] When Is An SOA Really An SOA?
Joseph: No - the takeaway is that we agreed not to discuss conformance to the SOA RM further until we are further along in defining the SOA RM itself. The discussion is likely dependent upon the work we are currently doing. Duane Chiusano Joseph wrote: > Thanks Duane. My takeaway from your responses below is that we cannot > define what SOA is until we know what our reference model for SOA will > look like. > > Did I understand correctly? > > Joe > > > Joseph Chiusano > > Booz Allen Hamilton > > Visit us online@ http://www.boozallen.com <http://www.boozallen.com/> > > > ------------------------------------------------------------------------ > From: Duane Nickull [mailto:dnickull@adobe.com] > Sent: Thu 5/5/2005 2:07 PM > To: Chiusano Joseph > Cc: soa-rm@lists.oasis-open.org > Subject: Re: [soa-rm] When Is An SOA Really An SOA? > > Joseph: > > I apologize that perhaps my last message was not clear. Until we know > what the SOA RM is and will look like, the question you ask probably > cannot be answered with certainty. We have considered and discussed the > facet of conformancy and have a placeholder in the editors draft. Those > who were in attendence agreed to put the placeholder in but not to > further define it at this time. It is likely too premature to finalize > those statements. > > Duane > > > > Chiusano Joseph wrote: > > > Hmmm....let me see if I understand this: > > > > So if someone has something that meets the definition of SOA on line > > 470, they should be able to look at our RM and see if it is conformant > > with our Figure 1 - which means that we in effect are defining a > > subset of what they really need for SOA; otherwise we would be > > defining something that would meet the definition of SOA on line 470. > > > > Is that correct? If so, what are we really defining then? A service > > orientation RM perhaps (i.e. SO-RM not SOA-RM)? > > > > Joe > > > > > > Joseph Chiusano > > > > Booz Allen Hamilton > > > > Visit us online@ http://www.boozallen.com <http://www.boozallen.com/> > > > > > > ------------------------------------------------------------------------ > > From: Duane Nickull [mailto:dnickull@adobe.com] > > Sent: Thu 5/5/2005 1:06 PM > > To: Chiusano Joseph > > Cc: soa-rm@lists.oasis-open.org > > Subject: Re: [soa-rm] When Is An SOA Really An SOA? > > > > Joseph: > > > > This is a key aspect of why we are doing this exercise. We have a > > section (placeholder) called conformance but at this point it is not > > clear if we could (or should) make a blanket statement. At the face to > > face, the thinking was more in tune with what it would mean if someone > > stated their SOA was conformant with the SOA RM. > > > > Duane > > > > Chiusano Joseph wrote: > > > > > This question has been on my mind for quite some time, and I would > > > like now to put it in the context of our in-process RM. > > > > > > In the past, I have pondered the following more specific question > > > (please note that this is all scoped to Web Services-based SOA for > > > ease of explanation): > > > > > > If I have 2 Web Services that communicate, do I have an SOA? > > > > > > We can say "certainly not!". One can do point-to-point integration > > > with Web Services just as easily (to a certain degree) as without, > > > with redundant Web Services rather than shared Web Services (a > > > violation of one of the foundational tenets of SOA, which is shared > > > services). > > > > > > Now let's say that we have 2 Web Services that each conform to the SOA > > > Architectural Model in Figure 1 of our most recent draft. There is a > > > data model, a policy, a contract, etc. > > > > > > Add to that our definition of SOA on line 470, in which we (correctly) > > > state that SOA is a form of Enterprise Architecture, which (at least > > > in my mind) implies enterprise-level benefits. > > > > > > Q: Given the last scenario above (2 Web Services that each conform to > > > the SOA Architectural Model ) and our definition of SOA: Is this > > > scenario large-scale enough that it *really* meets our definition? > > > IOW, how large-scale does an "instance" that conforms to our RM have > > > to be to yield benefits on an enterprise scale? Do we need to > > > stipulate something regarding this for our RM? > > > > > > Joe > > > > > > > > > Joseph Chiusano > > > > > > Booz Allen Hamilton > > > > > > Visit us online@ http://www.boozallen.com <http://www.boozallen.com/> > > > > > > > > > > > > > > > -- > > *********** > > Senior Standards Strategist - Adobe Systems, Inc. - http://www.adobe.com > > Chair - OASIS Service Oriented Architecture Reference Model Technical > > Committee - > > http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=soa-rm > > Vice Chair - UN/CEFACT Bureau Plenary - http://www.unece.org/cefact/ > > Adobe Enterprise Developer Resources - > > http://www.adobe.com/enterprise/developer/main.html > > *********** > > > > -- > *********** > Senior Standards Strategist - Adobe Systems, Inc. - http://www.adobe.com > Chair - OASIS Service Oriented Architecture Reference Model Technical > Committee - > http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=soa-rm > Vice Chair - UN/CEFACT Bureau Plenary - http://www.unece.org/cefact/ > Adobe Enterprise Developer Resources - > http://www.adobe.com/enterprise/developer/main.html > *********** > -- *********** Senior Standards Strategist - Adobe Systems, Inc. - http://www.adobe.com Chair - OASIS Service Oriented Architecture Reference Model Technical Committee - http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=soa-rm Vice Chair - UN/CEFACT Bureau Plenary - http://www.unece.org/cefact/ Adobe Enterprise Developer Resources - http://www.adobe.com/enterprise/developer/main.html ***********
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