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Subject: RE: [soa-rm] Revisiting: Definition of Service Orientation and how it relates to SOA
One can think of Service Orientation as separation of concerns. Today we have significant overlap between operations and development during run time of a system. In Service Oriented Architecture that overlap is removed. Removal of overlap or SOA allows articulation of business needs in IT's language without requiring the services of a developer. Vikas -----Original Message----- From: Metz Rebekah [mailto:metz_rebekah@bah.com] Sent: Tuesday, May 24, 2005 2:29 PM To: soa-rm@lists.oasis-open.org Subject: [soa-rm] Revisiting: Definition of Service Orientation and how it relates to SOA All - I recently asked some of my colleagues to share their thoughts on Service Orientation and what truly distinguishes Service Oriented Architecture from other distributed computing architectures. Some of their comments called out to me the bias that we, as technologists, often maintain unwittingly. I thought these comments were pertinent to the recent discussions and debate that has occurred in the SOA-RM TC. "We invariably impose our knowledge of technology or system functionality (how you do things) into discussions of operational capabilities or activities (what needs to be done)." Service Orientation: "Is that an 'orientation towards services'? If so, who is doing the orienting? Is there another position that would be opposite 'services'? What would we call that? What's the polar opposite of services?" "I think that one of the most important things to grasp is that the service in "service-oriented" has nothing to do with IT, systems, implementation, etc. It's an operational concept, for example in DoDAF vocabulary, a discussion on the OV side of the equation." In particular, I think that reaching consensus on the answers to these questions will help us along in determining what is versus is not a critical part of the RM. Rebekah Rebekah Metz Associate Booz Allen Hamilton Voice: (703) 377-1471 Fax: (703) 902-3457
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