Abstract
We present a pattern-oriented service design and evolution approach by transforming the high-level service value network into service choreography scenario. In this approach, “value” is considered the ultimate goal of a service, and designing an executable SOA-based service system starts from the acquisition of business-level value exchange relationships between participants in the service. Such value information is modeled as Service Value Network (SVN). Following a four-step process, SVN is gradually mapped to software-level service choreography and the corresponding interface design, thereby keeping the consistency between both levels. Especially, we present five typical service value exchange patterns to facilitate the construction and transformation of SVN with higher efficiency. A case study from ocean transportation service is shown for demonstration.
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