| 一种基于速率自适应的改进RED算法 |
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| 引用本文： | 许德生,庞伟正,孟维嘉,王明东. 一种基于速率自适应的改进RED算法[J]. 应用科技, 2006, 33(10): 12-14,18 |
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| 作者姓名： | 许德生 庞伟正 孟维嘉 王明东 |
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| 作者单位： | 哈尔滨工程大学,信息与通信工程学院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 提出了一种利用业务流速率与平均队列长度相结合的指示拥塞程度和计算丢弃概率的RARED（rate automophism RED）算法，用NS2仿真软件验证其有效性，试验结果表明，RARED算法在吞吐率和减少丢包率方面表现优于RED、FRED算法，在端到端的延时方面也表现了较高的稳定性，因而在综合性能上优于RED、FRED算法。
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| 关 键 词： | 主动队列管理(AQM) 拥塞控制 业务流速率 队列长度 |
| 文章编号： | 1009-671X（2006）10-0012-04 |
| 收稿时间： | 2006-03-21 |
| 修稿时间： | 2006-03-21 |
An improved RED algorithm based on rate adaptation |
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| XU De-sheng,PANG Wei-zheng,MENG Wei-jia,WANG Ming-dong. An improved RED algorithm based on rate adaptation[J]. Applied Science and Technology, 2006, 33(10): 12-14,18 |
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| Authors: | XU De-sheng PANG Wei-zheng MENG Wei-jia WANG Ming-dong |
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| Abstract: | RAED(rate adaptive RED)algorithm is applied in indicating congestion levels and counting drop probability using the combined method of business flow rate and average queue length.The validity is verified by using NS 2 software.The results show that RARED algorithm is better than RED algorithm and FRED algorithm in throughput rate and drop probability.RARED gains more stability in end-to-end delaying and better integral performance. |
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| Keywords: | active queue management congestion control business flow rate queue length |
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