Detection of TCP Performance Degradation Using Link Utilization Statistics(Network)
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概要
- 論文の詳細を見る
In this paper, we propose a method of detecting TCP performance degradation using only bottleneck-link utilization statistics : mean and variance. The variance of link utilization normally increases as the mean link-utilization increases. However, because link-utilization has a maximum of 100%, as the mean approaches 100%, the possible range of fluctuation becomes narrow and the variance decreases to zero. In this paper, using the M/G/R processor sharing model, we relate this phenomenon to the behavior of flows. We also show that by using this relationship, we can detect TCP performance degradation using the mean and variance of link utilization. In particular, this method enables a network operator to determine whether or not the degradation originates from the congestion of his/her own network. Because our method requires us to measure only link utilization, the cost of performance management can be greatly decreased compared with the conventional method, which requires dedicated functions for directly measuring the TCP performance.
- 社団法人電子情報通信学会の論文
- 2006-01-01
著者
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ASAKA Takuya
Graduate School of Informatics, Kyoto University
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Asaka T
Graduate School Of Informatics Kyoto University
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Asaka Takuya
The Author Is With The Graduate School Of Informatics Kyoto University
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Asaka Takuya
Department Of Communications And Computer Engineering Graduate School Of Informatics Kyoto Universit
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ASANO Shoichiro
National Institute of Infomatics
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Asano Shoichiro
National Institute Of Informatics
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Asano Shoichiro
National Center For Science Information Systems
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Asaka Takuya
Kyoto University
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Abe Takeo
Ntt Service Integration Laboratories Ntt Corporation
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Aida Masaki
Faculty Of System Design Tokyo Metropolitan University
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Kawahara Ryoichi
NTT Service Integration Laboratories NTT Corporation
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Ono Satoshi
Graduate School Of Science And Engineering Yamagata University
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ISHIBASHI Keisuke
NTT Information Sharing Platform Laboratories, NTT Corporation
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ONO Satoshi
Center for Continuing Professional Development, Kogakuin University
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Asaka Takuya
Graduate School Of Informatics Kyoto University
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Asaka Takuya
Department Of Communications And Computer Engineering Graduate School Of Informatics Kyoto Universit
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Kawahara R
Ntt Service Integration Laboratories Ntt Corporation
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Kawahara Ryoichi
Ntt Service Integration Laboratories Nippon Telegraph And Telephone Corporation
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Asano Shoichiro
Nii Tokyo Jpn
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Ishibashi K
Ntt Information Sharing Platform Laboratories Ntt Corporation
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Ishibashi Keisuke
Ntt Information Sharing Platform Laboratories Ntt Corporation
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Ishibashi Keisuke
Ntt Information Sharing Platform Laboralories Ntt'corporation
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Ishibashi Keisuke
Ntt Information Sharing Laboratories Ntt Corporation
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Ono Satoshi
Center For Continuing Professional Development Kogakuin University
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