IT systems in todays' enterprises are spread across organizations, are heterogeneous, and have high infrastructure and management costs. A new computing model termed as Utility Systems is emerging that consolidates IT infrastructure in centralized data centers, shares resources across users, allocates resources on-demand to user applications, and does pay-per-use accounting based on resource usage. The key to making such a paradigm real is an effective resource management solution that provides application QoS guarantees, while maintaining efficient utilization of resources. This book presents model-driven resource management techniques and mechanisms to achieve the same. The approach is based on creating application models that aid in prediction of performance and the behavior of applications. A methodology for application model-driven resource management is presented and then demonstrated and validated through a case study of a remote desktop utility system, an emerging client/sever...

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