Energy-Aware Autonomic Resource Allocation in Multitier Virtualized Environments

With the increase of energy consumption associated with IT infrastructures, energy management is becoming a priority in the design and operation of complex service-based systems. At the same time, service providers need to comply with Service Level Agreement (SLA) contracts which determine the revenues and penalties on the basis of the achieved performance level. This paper focuses on the resource allocation problem in multitier virtualized systems with the goal of maximizing the SLAs revenue while minimizing energy costs. The main novelty of the authors' approach is to address - in a unifying framework - service centers resource management by exploiting as actuation mechanisms allocation of Virtual Machines (VMs) to servers, load balancing, capacity allocation, server power state tuning, and dynamic voltage/frequency scaling.

Provided by: Institute of Electrical and Electronics Engineers Topic: Data Centers Date Added: Mar 2012 Format: PDF

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