2009/5/30 Michael Poulin <[email protected]>: > > > I do disagree with Anne on "SOA is an IT architectural style. IT people are > responsible for designing the architecture of the IT systems. Hence, SOA > must be driven by IT." > "must" probably was too strong a word.
> Who has defined, when and how that "SOA is an IT architectural style" and > not an architectural style applicable to both Business and Technical (IT) > architecture? Yes, 'IT people are responsible for designing the architecture > of the IT systems' but this does not mean that "SOA must be driven by IT". > There's a strong relationship between business requirements and an architecture so they can be put into one model. That is, SOA may be implicitly driven by business. Unfortunately, business requirements and architectural requirements are often treated separately with just a SLA used to join them. > I believe, SOA must be driven by Business and cascaded into IT. Only in this > case SOA, actually SO or Services, can produce maximum efficiency if > implemented. > "maximum efficiency" reminds me of Hammer. It may be that we aren't looking for maximum efficiency. :-) H.Ozawa
