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Power-Aware Service Allocation and Reallocation in Clusters and Clouds

Power-Aware Service Allocation and Reallocation in Clusters and Clouds. Leverages : -Migration using Virtual Machines -Turning on/off physical hosts -CRAC management -Modifying resources provided (CPU, RAM, …). Goals : -Reduce infrastructure-wide power consumption -Reduce SLA violations.

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Power-Aware Service Allocation and Reallocation in Clusters and Clouds

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  1. Power-Aware Service Allocation and Reallocation in Clusters and Clouds Leverages : -Migration using Virtual Machines -Turning on/off physical hosts -CRAC management -Modifying resources provided (CPU, RAM, …) Goals : -Reduce infrastructure-wide power consumption -Reduce SLA violations Allocation and Reallocation: -Optimal solution for small problems -Rational upper-bound on the optimal solution for larger problems -Heuristic solutions algorithms (FirstFit, Vector packing, Monte Carlo, ...) ﾲ

  2. Power-Aware Service Allocation and Reallocation in Clusters and Clouds Issues: • Different workload volatilityand system loads • Migration consumes time and resources • Powering on and off PM consumes time and resources • Heterogeneity of the PMs Results: • Combined use of VM Reconfiguration, Reallocation and PM power management as an autonomic manager. • The energy consumption can be highly reduced • A low SLA violation rate can be maintained.

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