Cloud

EMUSIM: An Integrated Emulation and Simulation Environment for Modeling, Evaluation, and Validation of Performance of Cloud Computing Applications

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Executive Summary

Cloud computing allows the deployment and delivery of application services for users worldwide. SaaS providers with limited upfront budget can take advantage of Cloud computing and lease the required capacity in a pay-as-you-go basis, which also enables flexible and dynamic resource allocation according to service demand. One key challenge potential Cloud customers have before renting resources is to know how their services will behave in a set of resources, and the costs involved when growing and shrinking their resource pool. Most of the studies in this area rely on simulation-based experiments, which consider simplified modeling of applications and computing environment.

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