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Subject: Re: [soa-rm] When Is An SOA Really An SOA?
Joseph, 2.1.1 is not yet in play. Please wait until that section's editor prepares it's first draft. Until I announce the section as ready for formal review, there is little value in commenting on it. It is a moving target. Thanks, Matt Duane Nickull wrote: > 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 >> *********** >> >
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