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Research and Implementation of Service Composition Based on SOA

Author: LiangBenZhi
Tutor: ZhengYouCai
School: Xi'an University of Electronic Science and Technology
Course: Computer Software and Theory
Keywords: SOA Service portfolio Web services BPEL4WS
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 238
Quote: 5
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Abstract


SOA (Service-Oriented Architecture) has had a profound impact on modern software development model , through service publishing , discovery and binding mechanisms such as providing services for other applications . SOA is loosely coupled, coarse-grained , interoperability . By using SOA architecture design ideas , you can minimize the coupling between systems , improve reusability . With the popularity of the SOA , making enterprise-level Web-based service applications continue to increase , followed by a doubling of the number of Web services . Therefore , how to be more effective reuse these existing Web services become the hotspot of research today . Service composition can be existing Web services in accordance with the business processes logical combination , the combination of a service to provide a stronger, more complete business function , enabling the reuse of Web services , the use of Web services composition technology also can quickly build a new enterprise application . This paper briefly introduces the basic ideas and theories of SOA , should comply with the principles of SOA , under the guidance of the design of a single service , service coordination and cooperation between and design services layered SOA service layer method. This method is based on a universal service composition : by ontology modeling indicates that the service , generate a combination of programs , is given by the combination of programs automatically converted into BPEL4WS (Business Process Execution Language for Web Service) algorithm . Then as service composition technology BPEL4WS -depth research. Finally, a travel reservation services platform to verify the research results , the practice shows that the layered approach of using the service and universal service composition technology can achieve SOA - based service portfolio .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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