| 基于分组丢失的高带宽流鉴别算法 |
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| 引用本文： | 肖萍萍,田彦涛,杨晓萍.基于分组丢失的高带宽流鉴别算法[J].吉林大学学报(工学版),2006,36(5):793-0798. |
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| 作者姓名： | 肖萍萍 田彦涛 杨晓萍 |
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| 作者单位： | 1. 吉林大学,通信工程学院,长春,130022;吉林工程技术师范学院,信息工程学院,长春,130052
2. 吉林大学,通信工程学院,长春,130022 |
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| 摘 要： | 提出了一种在网络发生拥塞时对高带宽流量加以鉴别的BDH-RED算法。该算法对发生分组丢弃的数据流的状态信息进行缓存,根据一个流量被丢弃的分组数正比于此流量的到达速率,在路由器计算丢弃历史记录中的分组丢弃数目,并使用组合丢弃比率,在标准TCP流量和高带宽流量共存的环境下,能有效地鉴别出高带宽流量。在仿真实验中将已有的丢弃比率与组合丢弃比率进行了比较,验证了BDH-RED算法的有效性。
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| 关 键 词： | 通信技术 拥塞控制 主动队列管理 分组丢弃历史 |
| 文章编号： | 1671-5497（2006）05-0793-06 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2005年10月9日 |
Algorithm to identify high-bandwidth flows based on packet drop history |
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| Xiao Ping-ping,Tian Yan-tao,Yang Xiao-ping.Algorithm to identify high-bandwidth flows based on packet drop history[J].Journal of Jilin University:Eng and Technol Ed,2006,36(5):793-0798. |
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| Authors: | Xiao Ping-ping Tian Yan-tao Yang Xiao-ping |
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| Affiliation: | 1.College of Communication Engineering, Jilin University, Changchun 130022,China; 2.College of Information Engineering, Jilin Teacher's Institute Engineering and Technology, Changchun 130052, China |
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| Abstract: | A BDH-RED(RED with Based on Drop History)algorithm was proposed to identify high-bandwidth flows in times of congestion.The algorithm will keep these flows state if some flows happen to drop packets,based on the method which packet drop number from a flow is roughly proportional to this connection arrival rate.The algorithm computes drop number in packet drop history in the routers,uses combined drop ratio,and efficiently identifies high-bandwidth flows in the coexistence environment between the normal TCP flows and high-bandwidth flows.By the comparison of existed drop ratio and combined drop ratio,the simulations valid that BDH-RED can efficiently identify high-bandwidth flows. |
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| Keywords: | communication congestion control active queue management packet drop history |
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