Integration of UML modeling and policy-driven management of Web service systems
PESOS '09 Proceedings of the 2009 ICSE Workshop on Principles of Engineering Service Oriented Systems
International Journal of Systems and Service-Oriented Engineering
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WS-Policy4MASC is an XML language for specifica- tion of policies for run-time Web service management (monitoring and control) activities executed by the Man- ageable and Adaptable Services Compositions (MASC) middleware. Among its original contributions are specifi- cation of diverse business values (benefits or costs, tangi- ble or intangible, agreed or possible, absolute or relative) and specification of various control strategies maximizing different business values (e.g., only agreed intangible benefits). To facilitate development of Web service sys- tems that can be managed with WS-Policy4MASC and the MASC middleware and to improve alignment between run-time management activities and design-time models, we developed novel UML profiles for WS-Policy4MASC. Their original contributions are in improved support for: a) specification of run-time management activities and business values within design-time models, b) automatic creation of run-time management policies from design- time models, c) feedback of run-time management infor- mation values into analysis of design-time models. We validated our solutions on detailed examples.