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Research Article Open Access
Cloud information center management may be a key downside as a result of the various and heterogeneous methods which will be applied, starting from the VM placement to the federation with different clouds. Performance analysis of Cloud Computing infrastructures is needed to predict and quantify the cost-benefit of a method portfolio and therefore the corresponding Quality of Service (QoS) toughened by users. Such analyses aren't possible by simulation or on-the-field experimentation, as a result of the good variety of parameters that have to be compelled to be investigated. during this paper, we have a tendency to gift AN analytical model, supported random Reward Nets (SRNs), that's each ascendable to model systems composed of thousands of resources and versatile to represent totally different policies and cloud-specific methods. Many performance metrics ar outlined and evaluated to research the behavior of a Cloud information center: utilization, convenience, waiting time, and responsiveness. A resiliency analysis is additionally provided to require under consideration load bursts. Finally, a general approach is given that, ranging from the thought of system capability, will facilitate system managers to opportunely set the info center parameters below totally different operating conditions.
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Author(s): B. Sundarraj, K.G.S. Venkatesan, M. Sriram, Vimal Chand