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Modeling and Simulation of Computer Networks and Systems by Petros Nicopolitidis, Faouzi Zarai, Mohammad S. Obaidat

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Chapter 9

The impact of dynamic user workloads on web performance

The e-commerce case study

Raúl Peña-Ortiz, José Antonio Gil, Julio Sahuquillo, Ana Pont and Josep Domènech,    Universitat Politècnica de València, València, Spain

The chapter proves that the web user’s dynamic behavior is a crucial issue that must be addressed in web performance studies in order to accurately estimate system performance indexes. To this end, in a first step we analyze and measure the effect of considering different levels of dynamic workload on web performance evaluation, instead of traditional (static) workloads. The more realistic workloads show that processor utilization is not uniformly balanced along time, but overloaded peaks rise when considering user’s ...

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