OGSA-DAI体系结构及其关键技术研究  

Research on the architecture and key technology of OGSA-DAI

作　　者：刘建新[1] 阎保平[1] 

机构地区：[1]中国科学院计算机网络信息中心,北京100080

出　　处：《计算机应用》2004年第11期81-83,87,共4页journal of Computer Applications

摘　　要：OGSA DAI致力于建造通过网格访问和集成来自不同的孤立数据源的中间件,符合基于OGSA的网格标准。简单介绍了项目背景后,描述了其体系结构,分析了其内部机制,并结合实例介绍了其开发和布署过程。The OGSA-DAI project is concerned with constructing middleware to assist the access and integration of data from separate data sources via the grid. OGSA-DAI is compliant with OGSA-based Grid standards. Firstly,the background of the OGSA-DAI project was introduced. Then the architecture of OGSA-DAI was described. Afterwards,the internal mechanism of OGSA-DAI was analysed and the development and deployment were illustrated by an example.

关 键 词：OGSA—DAI 网格数据服务 网格数据服务工厂 执行文档 引擎 活动 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]