Boris,
I agree with what I believe is your overall assertion that SOA
services provide identifiable business functionality, where the
specifics of business depend on the stakeholder's perspective. I
bristle at phrasing that contains the word "align" as the relationship
between SOA services and business because it has become marketing
pablum that I have heard my sponsors spout with no clue what they
meant. This is a personal prejudice in wording, but I otherwise agree
with the substance.
The service description specifically contains a portion to describe
the (business) functionality provided and how that translates to real
world effects that are important to those engaging in SOA
interactions. Again, we may be suffering from having ideas scattered
throughout the document without bringing them together.
Ken
On Apr 3, 2009, at 6:53 PM, Lublinsky, Boris wrote:
> I have finally finished reading and realized where I had the biggest
> issue with this.
> The document equates SOA (for the main part) with a complex
> distributed
> system, leaving completely aside Business/IT alignment nature of SOA.
> Unless we stipulate from the very beginning, that services are
> representation of well-defined business artifacts, there is no
> difference between SOA and, for example, The Web. I would think that
> Web
> is even more complex.
> So, in my mind,
>
> "SOA can be defined as an architectural style promoting the concept of
> business-aligned enterprise service as the fundamental unit of
> designing, building, and composing enterprise business solutions.
> Multiple patterns, defining design, implementations, and deployment of
> the SOA solutions, complete this style."
> http://www.ibm.com/developerworks/architecture/library/ar-soastyle/
>
> Similar definitions can be also find at:
> http://www.opengroup.org/projects/soa/doc.tpl?gdid=10632 and
> indirectly
> at http://www.jot.fm/issues/issue_2008_11/column6/index.html
>
> Please, let me know if this makes sense?
>
> If it does, then the document lacks a few other things that can be
> easily added. But lets first agree on this slight change of a
> viewpoint.
>
> Boris
>
>
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Ken Laskey
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