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Distributed policy specification and enforcement in service-oriented business systems

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3 Author(s)
Tsai, W.T. ; Dept. of Comput. Sci. & Eng., Arizona State Univ., Tempe, AZ ; Liu, X. ; Yinong Chen

Service-oriented computing (SOC) and Web services (WS) provide a flexible computing platform for electronic business and commerce. Introducing policy-based computing to service-oriented business systems adds another dimension of flexibility and security. While service composition and re-composition in service-oriented business systems allow major system reconstruction, policy-based computing can better deal with the small and routine changes of business processing. This paper reports our latest research on integrating policy-based computing into service-oriented business system and discusses its feasibility, benefits and cost. Under this research, we designed a policy specification and enforcement language PSEL for specifying system constraints and business rules. We implemented a runtime environment in which a service-oriented business system can be modeled, analyzed, deployed, and executed with policy enforcement. Automated tools have been developed to facilitate the entire development process. The cost of policy-based computing is experimentally evaluated

Published in:

e-Business Engineering, 2005. ICEBE 2005. IEEE International Conference on

Date of Conference:

12-18 Oct. 2005