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 ABSTRACT
Web services make information and software available programmatically via the Internet and may be used as building blocks for applications. A composite web service is one that is built using multiple component web services and is typically specified using a language such as BPEL4WS or WSIPL. Once its specification has been developed, the composite service may be orchestrated either in a centralized or in a decentralized fashion. Decentralized orchestration offers performance improvements in terms of increased throughput and scalability and lower response time. However, decentralized orchestration also brings additional complexity to the system in terms of error recovery and fault handling. Further, incorrect design of a decentralized system can lead to potential deadlock or non-optimal usage of system resources. This paper investigates build time and runtime issues related to decentralized orchestration of composite web services. We support our design decisions with performance results obtained on a decentralized setup using BPEL4WS to describe the composite web services and BPWS4J as the underlying runtime environment to orchestrate them.
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[doi> 10.1145/844339.844346]
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CITED BY 9
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Thomas Cottenier , Tzilla Elrad, Adaptive compositions across organizational boundaries, Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications, October 16-20, 2005, San Diego, CA, USA
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Ronan Barrett , Lucian M. Patcas , Claus Pahl , John Murphy, Model driven distribution pattern design for dynamic web service compositions, Proceedings of the 6th international conference on Web engineering, July 11-14, 2006, Palo Alto, California, USA
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Vikas Agarwal , Koustuv Dasgupta , Neeran Karnik , Arun Kumar , Ashish Kundu , Sumit Mittal , Biplav Srivastava, A service creation environment based on end to end composition of Web services, Proceedings of the 14th international conference on World Wide Web, May 10-14, 2005, Chiba, Japan
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