| 所有者为中心的网格文件共享研究 |
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| 引用本文： | 梁建民,李伟,徐志伟. 所有者为中心的网格文件共享研究[J]. 计算机研究与发展, 2003, 40(12): 1781-1786 |
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| 作者姓名： | 梁建民 李伟 徐志伟 |
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| 作者单位： | 1. 中国科学院计算技术研究所软件研究室,北京,100080
2. 中国科学院计算技术研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金委国家杰出青年科学基金 ( 6992 5 2 0 5 )，国家“八六三”高技术研究发展计划基金 ( 2 0 0 2AA10 43 10 )，中国科学院海外杰出青年学者基金 ( 2 0 0 14 0 10 ) |
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| 摘 要： | 为满足网格环境下的文件访问和共享需求，提出一种所有者为中心的网格文件共享机制，这种机制的核心思想是资源所有权的分割，通过把资源所有权分割为物理所有权和逻辑所有权，资源管理任务被安全地分担到多个资源所有者；全局用户标识、紧密绑定和一致性授权使所有者可以对逻辑资源的访问和授权传递实现完全自主的控制，基于这种机制，实现了网格文件系统原型VegaFS，VegaFS的用户可以不受管理域信息特性的限制，一致性地访问分布在不同管理域的文件资源。
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| 关 键 词： | 网格 所有者为中心的共享机制 所有权 紧密绑定 |
Research on Owner-Centric Grid File Sharing |
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| LIANG Jian-Min ,LI Wei ,and XU Zhi-Wei. Research on Owner-Centric Grid File Sharing[J]. Journal of Computer Research and Development, 2003, 40(12): 1781-1786 |
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| Authors: | LIANG Jian-Min LI Wei and XU Zhi-Wei |
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| Affiliation: | LIANG Jian-Min 1,LI Wei 1,and XU Zhi-Wei 2 1 |
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| Abstract: | In order to fulfill the file accessing and sharing requirements in a grid environment, an owner-centric grid file sharing mechanism is proposed. The main idea of this mechanism is the division of resource ownership. By dividing resource ownership into logic ownership and physical ownership, the task of resource management is partaken by multiple resource owners. By global user identity, tight binding and consistent authorization, resource owners can have maximal discretionary control of resource accessing and delegation transfer. Based on this mechanism, a grid-level file system prototype called VegaFS is designed and implemented. Users of VegaFS can slip the leash of administrative domains, consistently accessing the files distributed in different administrative domains. |
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| Keywords: | grid owner-centric grid file sharing mechanism ownership tight binding |
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