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Service-Oriented Programming Model is a new methodology for building service-oriented applications. In the Service-Oriented Programming Model, an application is assembled from loosely coupled, dynamically bounded services that mutually cooperate and compete in order to achieve the application’ s goal. In this paper, we present our experiences with the Service-Oriented Programming Model attained through development and testing of Access Control System. The Access Control System is a service-oriented application that manages security in the virtual organizations. We indicate how Service-Oriented Programming Model facilitates run-time reconfiguration of the Access Control System. Further, we evaluate and compare the performance of several architectures of the Access Control System with different levels of parallelism and concurrency. |
