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Fine grained access control method for distributed shared file systems

Research Project

Project/Area Number 17K19981
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Research Field Information science, computer engineering, and related fields
Research InstitutionHiroshima University

Principal Investigator

Fujita Satoshi  広島大学, 工学研究科, 教授 (40228995)

Project Period (FY) 2017-06-30 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2017: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords分散ファイルシステム / アクセス制御 / WebRTC / P2P / 細粒度情報共有 / データストリーム / 手書き情報の共有 / P2Pシステム / ピアツーピア / ファイル共有 / 匿名性 / 分散ハッシュテーブル
Outline of Final Research Achievements

We focused on real-time sharing of handwritten information as the target domain. First, the object was limited to two-dimensional information such as handwritten information on canvas, and the fine-grained access method was examined in the context of real-time sharing of handwritten information. Specifically, we comprehensively study the exchange method of stroke information and the maintenance method of consistency, and by using real-time database by Firebase and information transfer between arbitrary terminals by WebRTC, with sufficiently short latency and high resolution. In the implementation system, both simple specification of access authority and secure information exchange are realized.

Academic Significance and Societal Importance of the Research Achievements

まず本課題の背景は,研究開始後の1年間に大きく変化した.まず汎用のテキストエディタであるAtom エディタを共同編集に用いるためのプラグインが公開され,本課題で目指していた方向のプロダクト がWebRTCを用いて実現された.そして手書き情報の共同編集に関しても,Chrome canvasなどのクラウドベースのソリューションが数多くリリースされた.本研究課題の成果はそれらのアプローチをさらに発展させるものであり,社会的な意義は大きい.また分散システムの分野における最近の潮流の一つであるCRDの新しい適用分野としての意義もあり,学術的な価値も高い.

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • Research Products

    (11 results)

All 2019 2018 2017

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (7 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Cloud-Assisted Peer-to-Peer Video Streaming with Minimum Latency2019

    • Author(s)
      Satoshi Fujita
    • Journal Title

      IEICE Transactions on Information and Systems

      Volume: E102.D Issue: 2 Pages: 239-246

    • DOI

      10.1587/transinf.2018EDP7229

    • NAID

      130007588646

    • ISSN
      0916-8532, 1745-1361
    • Year and Date
      2019-02-01
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Flash Crowd Absorber for P2P Video Streaming2019

    • Author(s)
      Satoshi Fujita
    • Journal Title

      IEICE Transactions on Information and Systems

      Volume: E102.D Issue: 2 Pages: 261-268

    • DOI

      10.1587/transinf.2018EDP7238

    • NAID

      130007589981

    • ISSN
      0916-8532, 1745-1361
    • Year and Date
      2019-02-01
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Semi-Deterministic Construction of Scale-Free Networks with Designated Parameters2018

    • Author(s)
      Naoki Takeuchi, Satoshi Fujita
    • Journal Title

      Journal of Interconnection Networks

      Volume: 18(1) Issue: 01 Pages: 1-18

    • DOI

      10.1142/s0219265918500019

    • Related Report
      2018 Annual Research Report 2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Broadcasting a Stream of Chunks in Heterogeneous Networks with a Short Maximum Broadcast Time2018

    • Author(s)
      Satoshi Fujita
    • Journal Title

      Journal of Interconnection Networks

      Volume: 18(2-3) Issue: 02n03 Pages: 1850007-1850007

    • DOI

      10.1142/s021926591850007x

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] Resilient Peer-to-Peer Video Streaming with a Guaranteed Latency2018

    • Author(s)
      Satoshi Fujita
    • Organizer
      CANDAR 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Acquiring Nearly Optimal Peer Selection Strategy through Deep Q-Network2018

    • Author(s)
      Satoshi Fujita
    • Organizer
      CANDAR 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Load Balancing in P2P Video Streaming Systems with Service Differentiation2018

    • Author(s)
      Satoshi Fujita
    • Organizer
      CANDAR 2018 Workshops
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On the Cost of Cloud-Assistance in Tree-Structured P2P Live Streaming2018

    • Author(s)
      Satoshi Fujita
    • Organizer
      IPDPS 2018 Workshops
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Wi-Fi Direct 技術を用いたアドホックソーシャルネットワークの実装2018

    • Author(s)
      河上真之
    • Organizer
      情報処理学会第80回全国大会
    • Related Report
      2017 Research-status Report
  • [Presentation] BLE デバイスを用いたリアルタイムなユーザ追跡システム2018

    • Author(s)
      國廣拓也
    • Organizer
      情報処理学会第80回全国大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ユーザの視聴権限を設定可能なP2P型ビデオストリーミングのための負荷分散方式2017

    • Author(s)
      山田悠太
    • Organizer
      電気・情報関連学会中国支部連合大会
    • Related Report
      2017 Research-status Report

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Published: 2017-07-21   Modified: 2020-03-30  

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