Fine grained access control method for distributed shared file systems
| Project/Area Number |
17K19981
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| Research Category |
Grant-in-Aid for Challenging Research (Exploratory)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Information science, computer engineering, and related fields
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| Research Institution | Hiroshima University |
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Principal Investigator |
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| Project Period (FY) |
2017-06-30 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| 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)
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| 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 |
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| 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.
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| 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．
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Report
(3 results)
Research Products
(11 results)
