| NT技术中延迟分布估计算法的研究 |
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| 引用本文： | 吴立鹏,吴辰文,宋进. NT技术中延迟分布估计算法的研究[J]. 数字社区&智能家居, 2011, 0(9) |
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| 作者姓名： | 吴立鹏 吴辰文 宋进 |
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| 作者单位： | 兰州交通大学电子与信息工程学院; |
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| 基金项目： | 兰州市科技计划项目(2009-1-5) |
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| 摘 要： | 网络断层扫描(NT)是一种新的网络外部测量方法,它是网络测量技术与统计学理论相结合的产物。在简要介绍网络断层扫描的基础上,该文提出了一种基于重要性抽样(IS)和期望最大化算法(EM Algorithm)网络断层扫描的时延估计方法,最后基于NS2仿真试验验证了该方法的有效性和准确性。
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| 关 键 词： | 网络断层扫描 端到端测量 期望最大化算法 重要性抽样 NS2 |
Study on Estimation Algorithm of Network Link Delay Distributions in NT Technology |
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| WU Li-peng,WU Chen-wen,SONG Jin. Study on Estimation Algorithm of Network Link Delay Distributions in NT Technology[J]. Digital Community & Smart Home, 2011, 0(9) |
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| Authors: | WU Li-peng WU Chen-wen SONG Jin |
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| Affiliation: | WU Li-peng,WU Chen-wen,SONG Jin(Scholl of Electronic and Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China) |
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| Abstract: | Network topology is a new network external measuring method,a product of the combination of network measurement technology and statistical theory.With a brief introduction to network tomography,based on importance sampling(IS) and expectation maximization algorithm(EM Algorithm),the author puts forward a method of Network Link Delay Distributions in NT Technology,and its validity and accuracy is testified by simulation based on NS2. |
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| Keywords: | network tomography end-to-end measurements EM algorithm importance sampling NS2 |
| 本文献已被 CNKI 等数据库收录！ |
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