| 基于TCP Vegas的网络拥塞控制改进算法* |
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| 引用本文： | 王云涛,方建安,张晓辉,严伟锋.基于TCP Vegas的网络拥塞控制改进算法*[J].计算机应用研究,2009,26(12):4645-4647. |
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| 作者姓名： | 王云涛 方建安 张晓辉 严伟锋 |
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| 作者单位： | 东华大学,信息科学与技术学院,上海,201620 |
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| 基金项目： | 国家自然科学基金资助项目(60874113) |
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| 摘 要： | 由于TCP Vegas在与TCP Reno算法共存的网络环境中不能公平地竞争到带宽，TCP Vegas-A拥塞控制算法有效地改进了TCP Vegas算法在带宽竞争力弱方面的缺陷。对TCP Vegas-A算法进行了仿真研究并提出一种拥塞控制改进算法TCP NewVegas。基于NS2的仿真实验证明TCP NewVegas算法提高了与TCP Reno共存时在网络中的带宽竞争能力。
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| 关 键 词： | 网络拥塞控制 竞争能力 TCP Vegas-A TCP NewVegas NS2 |
Enhanced TCP congestion control algorithm based on TCP Vegas |
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| WANG Yun-tao,FANG Jian-an,ZHANG Xiao-hui,YAN Wei-feng.Enhanced TCP congestion control algorithm based on TCP Vegas[J].Application Research of Computers,2009,26(12):4645-4647. |
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| Authors: | WANG Yun-tao FANG Jian-an ZHANG Xiao-hui YAN Wei-feng |
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| Affiliation: | (School of Information Science & Technology, Donghua University, Shanghai 201620, China) |
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| Abstract: | Due to Vegas' incapability of seizing bandwidth fairly in heterogeneous network environments, the TCP Vegas-A congestion control algorithm improves TCP Vegas algorithm in this aspect's weak bandwidth competitive ability effectively. This paper studied the TCP Vegas-A algorithm and proposed an enhanced TCP congestion control algorithm TCP NewVegas. The simulations based on NS2 show that TCP NewVegas algorithm enhanced the band width competitive ability with TCP Reno in heterogeneous network environments. |
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| Keywords: | network congestion control competitive ability TCP Vegas-A TCP NewVegas NS2 |
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