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Fuzzy Theory-Based Data Placement for Scientific Workflows in Hybrid Cloud Environments

Author

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  • Zheyi Chen
  • Xu Zhao
  • Bing Lin

Abstract

In hybrid cloud environments, reasonable data placement strategies are critical to the efficient execution of scientific workflows. Due to various loads, bandwidth fluctuations, and network congestions between different data centers as well as the dynamics of hybrid cloud environments, the data transmission time is uncertain. Thus, it poses huge challenges to the efficient data placement for scientific workflows. However, most of the traditional solutions for data placement focus on deterministic cloud environments, which lead to the excessive data transmission time of scientific workflows. To address this problem, we propose an adaptive discrete particle swarm optimization algorithm based on the fuzzy theory and genetic algorithm operators (DPSO-FGA) to minimize the fuzzy data transmission time of scientific workflows. The DPSO-FGA can rationally place the scientific workflow data while meeting the requirements of data privacy and the capacity limitations of data centers. Simulation results show that the DPSO-FGA can effectively reduce the fuzzy data transmission time of scientific workflows in hybrid cloud environments.

Suggested Citation

  • Zheyi Chen & Xu Zhao & Bing Lin, 2020. "Fuzzy Theory-Based Data Placement for Scientific Workflows in Hybrid Cloud Environments," Discrete Dynamics in Nature and Society, Hindawi, vol. 2020, pages 1-13, August.
    • Handle: RePEc:hin:jnddns:8105145
    DOI: 10.1155/2020/8105145
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