中国地震减灾网格试验床计算网格平台的构建
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摘要
研究构建中国地震减灾网格试验床的关键技术.基于OGSA和GT3体系结构,提出了计算网格平台的编程模型,分析了模型的网格Web应用层、网格Web服务器层和网格资源/服务层之间的关系.设计并实现了模型的关键组件,并给出了基于GSI的模型安全解决方案,最终构建了一个计算网格平台,并在平台上实现了云南地区的地震应力触发计算.计算结果表明,该平台满足网格计算的需求,并能提高计算效率.
In order to study the key technologies involved in setting up an earthquake disaster alleviation grid testbed in China, a programming model based on OGSA and GT3 is presented. Relationship between the grid Web application layer, the grid Web server layer and the grid resources and services layer are analyzed. Key components in the model are implemented and the security schema based on GSI is presented. Finally, the computation grid platform is constructed and the earthquake stress triggering computation for the Yunnan region is implemented on the platform. The computation result showed that the platform filled the demands of grid computation and improved computation efficiency.
In order to study the key technologies involved in setting up an earthquake disaster alleviation grid testbed in China, a programming model based on OGSA and GT3 is presented. Relationship between the grid Web application layer, the grid Web server layer and the grid resources and services layer are analyzed. Key components in the model are implemented and the security schema based on GSI is presented. Finally, the computation grid platform is constructed and the earthquake stress triggering computation for the Yunnan region is implemented on the platform. The computation result showed that the platform filled the demands of grid computation and improved computation efficiency.
引文
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