| 实时ORBUS系统的设计和实现 |
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| 引用本文： | 汪芸,谢俊清,沈卓炜.实时ORBUS系统的设计和实现[J].小型微型计算机系统,2005,26(1):69-73. |
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| 作者姓名： | 汪芸 谢俊清 沈卓炜 |
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| 作者单位： | 东南大学,计算机系,江苏,南京,210096 |
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| 基金项目： | 国家自然科学基金项目 (6990 3 0 0 2 )资助，江苏省自然科学基金项目 (BK990 0 8)资助，中法联合实验室LIAMA项目 (0 0 -3 )资助 |
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| 摘 要： | 实时CORBA系统必须能够保证CORBA调用的端到端执行时间可预测性．分析了实时CORBA系统中影响调用时间确定性的因素，介绍了RTORBUS这一实时CORBA原型系统的实现结构，阐述了设计思想和依据，并给出了关键数据结构．通过与其他通用CORBA系统的比较和性能测试，表明RTORBUS系统可以有效地减少优先级倒置，提高CORBA系统的执行时间确定性和可预测性．
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| 关 键 词： | CORBA 实时 分布系统 调度 |
| 文章编号： | 1000-1220(2005)01-0069-05 |
Design and Implementation of Real-Time ORBUS System |
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| WANG Yun,XIE Jun-qing,SHEN Zhuo-wei.Design and Implementation of Real-Time ORBUS System[J].Mini-micro Systems,2005,26(1):69-73. |
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| Authors: | WANG Yun XIE Jun-qing SHEN Zhuo-wei |
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| Abstract: | Real-time CORBA systems need to guarantee the predictability of end-to-end CORBA request execution. Pointsed out uncert ain fact ors of a request execution in real-time CORBA systems. the design of RTOR B US was introduced in detail and design principles and key data structure were di sc ussed. With performance tests and comparison with other general CORBA systems, t he paper manifested that RTORBUS effectively reduces priority inversions and gre atly improves both determinability and predictability of request execution. |
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| Keywords: | CORBA real-time distributed system schedulin g |
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