Web service technology is widely applied in building distributed information systems in order to provide flexibility and extensibility. As in the traditional web services, when the number of clients increases, the traffic problems of network may happen and the services may become overloaded. Distributed mobile agent platforms in Web service have become more mature in recent years, and may help reducing the load from Web servers as well as reduce the traffic for overall network. We have proposed an agent-based framework for Web services that is scalable and reliable. The framework uses mobile agents to solve the traffic problem on traditional Web service systems. In this paper, we study the performance of our proposed approach with the focus on response time. We simulate our framework by mathematical models on a network simulator tool. The simulation results showed that our proposed framework has ability to improve performance in comparison with traditional Web service systems.

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