| 一种基于速率的组播拥塞控制算法及其性能分析 |
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| 引用本文： | 苏晓丽,郑明春,李锦涛,孟强.一种基于速率的组播拥塞控制算法及其性能分析[J].电子学报,2004,32(2):330-334. |
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| 作者姓名： | 苏晓丽 郑明春 李锦涛 孟强 |
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| 作者单位： | 1. 中国科学院计算技术研究所数字化室,北京 100080;2. 山东师范大学计算机科学系,山东济南 250014 |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金 |
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| 摘 要： | 大部分组播拥塞控制机制都是将包丢失作为网络拥塞的信号,存在丢包、响应速度慢以及由此引起的协议间不公平等缺陷.本文提出了一种新的基于速率拥塞控制算法通过对拥塞的早期检测,进行及时反馈,发送端通过调节数据包的发送间隔进行拥塞避免和控制,使网络能够对拥塞做出快速反应,更有效地利用网络资源.实验结果表明,在相同的配置下,采用该拥塞控制算法的网络在吞吐量、灵敏性和公平性等性能上均优于原先的算法.
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| 关 键 词： | 组播 拥塞控制 TCP友好 RBMCC |
| 文章编号： | 0372-2112(2004)02-0330-05 |
| 收稿时间： | 2002-12-02 |
A Rate-Based Multicast Congestion Control Algorithm and Its Performance Analysis |
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| SU Xiao li ,ZHENG Ming chun ,LI Jin tao ,Meng Qiang.A Rate-Based Multicast Congestion Control Algorithm and Its Performance Analysis[J].Acta Electronica Sinica,2004,32(2):330-334. |
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| Authors: | SU Xiao li ZHENG Ming chun LI Jin tao Meng Qiang |
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| Affiliation: | 1. Institute of Computing Technology,Chinese Academy of Sciences,Beijing 100080,China;2. Department of Computer Science,Shandong Normal University,Jinan,Shandong 250014,China |
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| Abstract: | A novel rate based multicast congestion control scheme-RBMCC is presented,which uses the positive explicit congestion indication and proxy based feedback control scheme to inform the sender about the status of network,so that the sender can detect incipient congestion early and adjust the send rate to alleviate congestion by changing packet intervals.The mechanism was implemented in the Network Simulator and its performance was compared with other algorithms by simulation.The simulation results show that RBMCC improves the dynamics and responsiveness,uses the available resource of network efficiently,and also has good TCP friendliness. |
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| Keywords: | RBMCC |
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