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Service Identification of Component-Based System for Service-Oriented Architecture  

Lee, Hyeon-Joo (이화여자대학교 컴퓨터정보통신학과)
Choi, Byoung-Ju (이화여자대학교 컴퓨터정보통신학과)
Lee, Jung-Won (이화여자대학교 전자공학부)
Publication Information
Journal of KIISE:Software and Applications / v.35, no.2, 2008 , pp. 70-80 More about this Journal
Abstract
Today, businesses have to respond with flexibility and speed to ever-changing customer demand and market opportunities. Service-oriented architecture (SOA) is the best methodology for minimizing the complexity and the cost of enterprise-level infrastructure and for maximizing the productivity and the flexibility of an enterprise. Most of the enterprise-level SOA delivery strategies deal with the top-down approach, which organization has to define the business processes, to model business services, and to find the required services or to develop new services. However, a lot of peoples want to maximally reuse legacy component-based systems as well as to deliver SOA into their organizations. In this paper, we propose a bottom-up approach for identifying business services with proper granularity. It can improve the reusability and maintenance of services by considering not data I/O of components of legacy applications but GUI event patterns. Our proposed method is applied to MIS with 129 GUIs and 13 components. As a result, the valiance of the coupling value of components is increased five times and three business services are distinctly exposed. It also provides a 49% improvement in reducing the relationship problems between services over a service identification method using only partitioning information of components.
Keywords
Service-Oriented Architecture(SOA); Service Identification; Service Modeling; Sequential Patterns;
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