A Simultaneous Inline Measurement Mechanism for Capacity and Available Bandwidth of End-to-End Network Path(Network)
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概要
- 論文の詳細を見る
We previously proposed a new version of TCP, called Inline measurement TCP (ImTCP), in [2], [3]. The ImTCP sender adjusts the transmission intervals of data packets and then utilizes the arrival intervals of ACK packets for available bandwidth estimation. This type of active measurement is preferred because the obtained results are as accurate as those of other conventional types of active measurement, even though no extra probe traffic is injected onto the network. In the present research, we develop a new capacity measurement function and combine it with ImTCP in order to enable simultaneous measurement of both capacity and available bandwidth in ImTCP. The capacity measurement algorithm is a new packet-pair-based measurement technique that utilizes the estimated available bandwidth values for capacity calculation. This new algorithm promises faster measurement than current packet-pair-based measurement algorithms for various situations and works well for high-load networks, in which current algorithms do not work properly. Moreover, the new algorithm provides a confidence interval for the measurement result.
- 社団法人電子情報通信学会の論文
- 2006-09-01
著者
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Thanh Man
Graduate School Of Information Science And Technology Osaka University
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MURATA Masayuki
Graduate School of Information Science and Technology, Osaka University
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HASEGAWA Go
Graduate School of Infomation Science and Technology, Osaka University
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Murata Masayuki
Graduate School Of Frontier Biosciences Osaka University
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Hasegawa Go
Graduate School Of Infomation Science And Technology Osaka University
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Murata Masayuki
Graduate School Of Engineering Science Osaka University
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HASEGAWA Go
Graduate School of Information Science and Technology, Osaka University
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