In this paper we show how modeling and simulating a complex system such as a web-server can help to evaluate di erent metrics and proposals to improve the performance without necessity of using a real system. Many times the system is unavailable or requires spending time and resources to generate results. With
simulation and concretely with a coarse-grain
simulation as we propose can solve with great
success this problem. In this article we have
been able to simulate the metric and behaviour of a web server with SSL security, the ellapsed time required by the simulation on a desktop machine is only 1/10 of real time. We have also been able to measure, for example,the performance enhancements with 8 CPUs without having an available machine of similar features.
CitationNou, R. [et al.]. Simulating complex systems with a low-detail model. A: Jornadas de Paralelismo. "XVI Jornadas de Paralelismo". Granada: 2005, p. 301-308.
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