1. What are the contributions mentioned in the paper "Evolutionary multiobjective optimization for green clouds" ?
This paper proposes and evaluates a new framework to operate a federation of IDCs in a “ green ” way.
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Evolutionary multiobjective optimization for green clouds
Dung H. Phan,Junichi Suzuki,Raymond Carroll,Sasitharan Balasubramaniam,William Donnelly,Dmitri Botvich +5 more
- 07 Jul 2012
- pp 19-26
TL;DR: The proposed EMOA seeks the Pareto-optimal solutions by balancing the trade-offs among conflicting optimization objectives such as renewable energy consumption, cooling energy consumption and response time performance.
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Abstract: As Internet data centers (IDCs) have been increasing in scale and complexity, they are currently a significant source of energy consumption and CO2 emission. This paper proposes and evaluates a new framework to operate a federation of IDCs in a "green" way. The proposed framework, called Green Monster, dynamically moves services (i.e., workload) across IDCs for increasing renewable energy consumption while maintaining their performance. It makes decisions of service migration and placement with an evolutionary multiobjective optimization algorithm (EMOA) that evolves a set of solution candidates through global and local search processes. The proposed EMOA seeks the Pareto-optimal solutions by balancing the trade-offs among conflicting optimization objectives such as renewable energy consumption, cooling energy consumption and response time performance.
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Eckart Zitzler,Lothar Thiele +1 more
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TL;DR: In this paper an extensive, quantitative comparison is presented, applying four multiobjective evolutionary algorithms to an extended 0/1 knapsack problem.
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Worldwide electricity used in data centers
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