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Simulating Autonomic SLA Enactment in Clouds Using Case Based Reasoning

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Executive Summary

With the emergence of Cloud Computing resources of physical machines have to be allocated to Virtual Machines (VMs) in an on-demand way. However, the efficient allocation of resources like memory, storage or bandwidth to a VM is not a trivial task. On the one hand, the Service Level Agreement (SLA) that defines QoS goals for arbitrary parameters between the Cloud provider and the customer should not be violated. On the other hand, the Cloud providers aim to maximize their pro t, where optimizing resource usage is an important part. In this paper the authors develop a simulation engine that mimics the control cycle of an autonomic manager to evaluate different Knowledge Management techniques (KM) feasible for efficient resource management and SLA attainment.

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