| 一种基于RTLinux的实时网络子系统 |
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| 引用本文： | 陈思,杜旭. 一种基于RTLinux的实时网络子系统[J]. 计算机应用, 2006, 26(1): 46-0049 |
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| 作者姓名： | 陈思 杜旭 |
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| 作者单位： | 华中科技大学电子与信息工程系,湖北,武汉,430074;华中科技大学电子与信息工程系,湖北,武汉,430074 |
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| 摘 要： | 提出了一种基于RTLinux的实时网络子系统。该系统能为不同应用的数据包进行资源的预留，再分别建立独自的协议处理线程以及与之绑定的实时任务进程，通过维护3条不同优先级机制的调度队列高效地实现系统的实时性能。
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| 关 键 词： | 实时系统 RTLinux 网络 吞吐量 |
| 文章编号： | 1001-9081（2006）01-0046-04 |
| 收稿时间： | 2005-07-30 |
| 修稿时间： | 2005-07-302005-10-10 |
Real-time network subsystem for RTLinux |
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| CHEN Si,DU Xu. Real-time network subsystem for RTLinux[J]. Journal of Computer Applications, 2006, 26(1): 46-0049 |
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| Authors: | CHEN Si DU Xu |
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| Affiliation: | Depaltment of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan Hubei 430074, China |
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| Abstract: | With the explosive growth of the lnternet as well as the widespread use of WWW-related applications, network performance has attracted great attention. In particular, the operating system needs to manage resources under conditions of high load. A new network subsystem architecture based on RTLinux was proposed and evaluated, which provided improved fairness, stability, and increased throughput under high network load. This approach first reassigned resources for data packets of different applications, then initiated protocol process threads which binded with relative real-time task. By maintaining three queues with different priorities and schedule policies, it showed good real time performance. |
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| Keywords: | RTLinux |
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