| 改进的网络链路带宽测量方法 |
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| 引用本文： | 李祖鹏,殷肖川,余侃民. 改进的网络链路带宽测量方法[J]. 计算机工程与应用, 2008, 44(35): 125-128. DOI: 10.3778/j.issn.1002-8331.2008.35.038 |
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| 作者姓名： | 李祖鹏 殷肖川 余侃民 |
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| 作者单位： | 空军工程大学,电讯工程学院,西安,710077;空军工程大学,电讯工程学院,西安,710077;空军工程大学,电讯工程学院,西安,710077 |
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| 基金项目： | 空军工程大学博士后基金 |
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| 摘 要： | 分析了利用ICMP报文测量分组RTT时延与测量分组大小的线性关系进行非对称链路带宽测量的Asy_pathchar算法，针对该测量算法存在的缺陷，提出了一种改进的非对称链路带宽测量算法Asy_pro。网络仿真实验结果证明，Asy_pro算法在带宽测量耗时、网络带宽占用和抗干扰性等方面都有较大改善，有效地提高了测量算法的鲁棒性和实用性。
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| 关 键 词： | 链路带宽测量 非对称链路 网络仿真 测量报文对 |
| 收稿时间： | 2008-05-08 |
| 修稿时间： | 2008-9-16 |
Improved network link level bandwidth measurement method |
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| LI Zu-peng,YIN Xiao-chuan,YU Kan-min. Improved network link level bandwidth measurement method[J]. Computer Engineering and Applications, 2008, 44(35): 125-128. DOI: 10.3778/j.issn.1002-8331.2008.35.038 |
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| Authors: | LI Zu-peng YIN Xiao-chuan YU Kan-min |
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| Affiliation: | Institute of Telecommunication Engineering，Air Force Engineering University，Xi’an 710077，China |
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| Abstract: | Asy_pathchar is an asymmetric link bandwidth measurement algorithm based on calculating the relationship between the RTT latency and the measuring packet size. The problem of this algorithm is analyzed and a new algorithm named Asy_pro is put forward. Network simulation experiments’ result validates that the new algorithm has improved the overall performance on measuring time-consuming，network bandwidth-consuming and anti-jamming，all of which makes it a more robust and practicably algorithm. |
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| Keywords: | link bandwidth measurement asymmetric link network simulation measuring packet pair |
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