Implementation of Distributed Education Resource Service System Based on Data Grid(Chinese)
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摘要: 研究应用网格技术来构建一个分布式网络教学资源服务系统，以便更好地共享和利用上海教育资源库，即实现了基于数据网格的教育资源服务系统（ERSDG）.首先介绍了Globus Toolkit工具包，阐述了ERSDG系统的架构和功能，提出了资源文件命名规范和资源节点分类，再分别从数据同步、资源访问服务和监控管理等方面论述了该系统的实现，最后从同步数据性能测试、用户访问和系统监控情况等方面分析了该系统性能.Abstract: This paper studied a distributed education resource service system named ERSDG, which based on grid in order to share and use Shanghai Education Resource. First, Globus Toolkit was indroduced, the framework and functions of ERSDG were elaborated, and specifications of resource file name and types of resource node were brought forward; and then system realization from synchronizing data,resource access service and monitor management were discussed. At last we analysed ERSDG′s performance on test of synchronizing data, user access and system monitor.
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