In this paper, we present a performance analysis of the response time of a client-server e-banking application running over three different enterprise middleware platforms, namely HTTPServlets, RMI and Web services with JAX-RPC. We conducted performance testing with the purpose to reveal the specific characteristics of each middleware technology and the impact that they infer on the distributed application's performance. A server node running the three J2EE platforms was benchmarked over a wide array of intranet usage patterns. A statistical analysis of the collected data led into conclusions regarding the benefits of each middleware technology. The simulation framework can be further extended to become a testing tool able to differentiate on various service demand classes as an input in distributed applications so as to offer first-cut validated results concerning the systems' performance. © 2006 Elsevier Inc. All rights reserved.
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