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No "power" struggles: coordinated multi-level power management for the data center
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Optimal power allocation in server farms
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Towards Energy Efficient Change Management in a Cloud Computing Environment
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ARTCOM '09 Proceedings of the 2009 International Conference on Advances in Recent Technologies in Communication and Computing
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IM'09 Proceedings of the 11th IFIP/IEEE international conference on Symposium on Integrated Network Management
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Designing and evaluating an energy efficient Cloud
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Power-aware provisioning of virtual machines for real-time Cloud services
Concurrency and Computation: Practice & Experience
Self Adaptive Particle Swarm Optimization for Efficient Virtual Machine Provisioning in Cloud
International Journal of Intelligent Information Technologies
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Cloud Computing provides on-demand access to a shared pool of configurable computing resources. The major issue lies in managing extremely large agile data centers which are generally over provisioned to handle unexpected workload surges. This paper focuses on green computing by introducing Power-Aware Meta Scheduler, which provides right fit infrastructure for launching virtual machines onto host. The major challenge of the scheduler is to make a wise decision in transitioning state of the processor cores by exploiting various power saving states inherent in the recent microprocessor technology. This is done by dynamically predicting the utilization of the cloud data center. The authors have extended existing cloudsim toolkit to model power aware resource provisioning, which includes generation of dynamic workload patterns, workload prediction and adaptive provisioning, dynamic lifecycle management of random workload, and implementation of power aware allocation policies and chip aware VM scheduler. The experimental results show that the appropriate usage of different power saving states guarantees significant energy conservation in handling stochastic nature of workload without compromising the performance, both when the data center is in low as well as moderate utilization.