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A Design Method for Dynamic Selection of SOA Services  

Bae, Jeong-Seop (숭실대학교 컴퓨터학과)
La, Hyun-Jung (숭실대학교 컴퓨터학과)
Kim, Soo-Dong (숭실대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Software and Applications / v.35, no.2, 2008 , pp. 91-104 More about this Journal
Abstract
Service-Oriented Computing (SOC) is the development method that published services are selected and composed at runtime to deliver the expected functionality to service clients. SOC should get maximum benefits not only supporting business agility but also reducing the development time. Services are selected and composed at runtime to improve the benefits. However, current programming language, SOC platforms, business process modeling language, and tools support either manual selection or static binding of published services. There is a limitation on reconfiguring and redeploying the business process to deliver the expected services to each client. Therefore, dynamic selection is needed for composing appropriate services to service clients in a quick and flexible manner. In this paper, we propose Dynamic Selection Handler (DSH) on ESB. we present a design method of Dynamic Selection Handler which consists of four components; Invocation Listener, Service Selector, Service Binder and Interface Transformer. We apply appropriate design patterns for each component to maximize reusability of components. Finally, we describe a case study that shows the feasibility of DSH on ESB.
Keywords
Service Oriented Architecture (SOA); Dynamic Service Selection; Enterprise Service Bus (ESE);
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