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are defined, they are further partitioned and refined into services that represent the processes and activities needed to manage the assets of the organization in their various states. One example is the separation of the business function "Manage Orders" into services such as "Create Order",
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defines a service as "a mechanism to enable access to one or more capabilities, where the access is provided using a prescribed interface and is exercised consistent with constraints and policies as specified by the
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A business analyst, domain expert, and/or enterprise architecture team will develop the organization's service model first by defining the top level business functions. Once the
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can reuse for different purposes, together with the policies that should control its usage (based on the identity of the client requesting the service, for example).
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Many analysis and design methods can be used for service engineering, both general purpose ones such as OpenUP and
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as well as those discussed under
Service-oriented modeling.
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OASIS Reference Model for
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that is adequate in the given project and domain context.
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