| 利用时延特性的模糊TCP拥塞控制算法 |
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| 引用本文： | 易发胜,赵继东.利用时延特性的模糊TCP拥塞控制算法[J].电子科技大学学报（自然科学版）,2010,39(2):260-265. |
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| 作者姓名： | 易发胜 赵继东 |
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| 作者单位： | 1.电子科技大学计算机科学与工程学院 成都 610054 |
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| 基金项目： | 国家863高技术研究基金，电子科技大学校科研和教改项目 |
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| 摘 要： | 提出了一种基于时延的模糊控制TCP拥塞控制算法(DFCC)，采用当前RTT变化和历史变化相结合的方法，通过一个模糊控制器调节CWND，从而对网络拥塞情况有了更好的估计和反应，有效解决了突发拥塞降低吞吐量的问题。仿真试验表明，改进的算法更加准确地监测到网络拥塞，提高了网络的吞吐量。
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| 关 键 词： | 拥塞控制 模糊控制 网络时延 TCP Vegas |
| 收稿时间： | 2008-09-12 |
Fuzzy TCP Congestion Control Algorithm Using Delay |
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| YI Fa-sheng,ZHAO Ji-dong.Fuzzy TCP Congestion Control Algorithm Using Delay[J].Journal of University of Electronic Science and Technology of China,2010,39(2):260-265. |
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| Authors: | YI Fa-sheng ZHAO Ji-dong |
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| Affiliation: | 1.School of Computer Science and Engineering,University of Electronic Science and Technology of China Chengdu 610054 |
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| Abstract: | A fuzzy TCP congestion control algorithm is proposed. The algorithm achieves better evaluation on network congestion by the way of combining the current and historical RTT changes which are used to adjust congestion window (CWND) with fuzzy controller, so that the problem of low throughput under abrupt congestion situations is solved effectively. The performance of the algorithm has been tested and evaluated on NS simulator and the simulation results demonstrate that the algorithm inspects network congestion more exactly and accordingly increases network throughput. |
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| Keywords: | TCP Vegas congestion control fuzzy control network delay TCP Vegas |
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