Online Virtual Machine Placement for Increasing Cloud Provider’s Revenue
Online Virtual Machine Placement for Increasing Cloud Provider’s Revenue
复制标题
在线虚拟机放置可增加云提供商的收入
DOI:
10.1109/tsc.2015.2447550
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发表时间:
2017-03
影响因子:
8.1
通讯作者:
Ce Yu
中科院分区:
文献类型:
--
作者:
Laiping Zhao;Liangfu Lv;Zhou Jin;Ce Yu
Cost savings have become a significant challenge in the management of data centers. In this paper, we show that, besides energy consumption, service level agreement (SLA) violations also severely degrade the cost-efficiency of data centers. We present online VM placement algorithms for increasing cloud provider’s revenue. First, First-Fit and Harmonic algorithm are devised for VM placement without considering migrations. Both algorithms get the same performance in the worst-case analysis, and equal to the lower bound of the competitive ratio. However, Harmonic algorithm could create more revenue than First-Fit by more than 10 percent when job arriving rate is greater than 1.0. Second, we formulate an optimization problem of maximizing revenue from VM migration, and prove it as NP-Hard by a reduction from 3-Partition problem. Therefore, we propose two heuristics: Least-Reliable-First (LRF) and Decreased-Density-Greedy (DDG). Experiments demonstrate that DDG yields more revenue than LRF when migration cost is low, yet leads to losses when SLA penalty is low or job arriving rate is high, due to the large number of migrations. Finally, we compare the four algorithms above with algorithms adopted in Openstack using a real trace, and find that the results are consistent with the ones using synthetic data.
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DOI:
10.1002/cpe.1370
发表时间:
2010
期刊:
Concurrency and Computation: Practice and Experience
影响因子:
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期刊:
--
影响因子:
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DOI:
10.1109/cloud.2012.57
发表时间:
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期刊:
2012 IEEE Fifth International Conference on Cloud Computing
影响因子:
--
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DOI:
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发表时间:
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期刊:
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影响因子:
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