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Design and Implementation of Various File Deduplication Schemes on Storage Devices

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Abstract

As smart devices are revolutionized in recent years, people may generate enormous amount of various sized data and store them in the local or remote file system in their daily lives. With cheaper and easy to use private cloud storage appliances helping to handle the increasing demand of storing and sharing big volume of data, effective file deduplication schemes can greatly increase the space efficiency in private cloud storage systems as well as preserve network bandwidth. In the paper, we aim at designing and implementing several file deduplication schemes built in the private cloud storage appliance, based on different duplication checking rules, including file name, file size, and file partial/full content hash value. Experiment results show using partial content hashing based file deduplication scheme achieves a reasonably balanced performance without overutilized limited local computational resources.

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Acknowledgments

The authors gratefully acknowledge the financial support from the “Aiming For the Top University Program” funded by Ministry of Education, Taiwan.

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Authors and Affiliations

  1. Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan

    Kuan-Wu Su, Jenq-Shiou Leu, Min-Chieh Yu & Yong-Ting Wu

  2. QNAP Inc, Taipei, Taiwan

    Eau-Chung Lee

  3. Department of Electrical and Electronic Engineering, School of Engineering, Tokushima University, Tokushima, Japan

    Tian Song

Authors
  1. Kuan-Wu Su
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  2. Jenq-Shiou Leu
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  3. Min-Chieh Yu
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  4. Yong-Ting Wu
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  5. Eau-Chung Lee
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  6. Tian Song
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Correspondence to Jenq-Shiou Leu.

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Su, KW., Leu, JS., Yu, MC. et al. Design and Implementation of Various File Deduplication Schemes on Storage Devices. Mobile Netw Appl 22, 40–50 (2017). https://doi.org/10.1007/s11036-016-0677-9

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  • DOI: https://doi.org/10.1007/s11036-016-0677-9

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