Secure and economical multi-cloud storage policy with NSGA-II-C
Secure and economical multi-cloud storage policy with NSGA-II-C
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NSGA-II-C 安全且经济的多云存储策略
DOI:
10.1016/j.asoc.2019.105649
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发表时间:
2019-10
影响因子:
8.7
通讯作者:
Liu Tieqiao
中科院分区:
文献类型:
--
作者:
Yang Jie;Zhu Haibin;Liu Tieqiao
Multi-cloud computing is an attractive technology for many reasons including user’s data security. This work offers a solution to the problem relative to Multi-Cloud Storage (MCS), i.e., how to allocate partial data among different cloud service providers based on multi-objective optimization while maintaining a high degree of security and performance at the minimal storage cost. Non-dominated Sorting Genetic Algorithm II with a special process of Combinations (NSGA-II-C), is adopted to solve the problem. NSGA-II-C has better performance of generational distance and diversity by comparing with MOEA/D and SPEA2 in solving the proposed problem based on the statistical analysis of experimental results. The proposed method is compared with the similar studies of MCS and single cloud storage. Experimental results show that the obtained optimal solution outperforms similar studies at security, cost and performance. In addition, the relations between objectives in the Pareto front are analyzed in detail.
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