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Paper Abstract and Keywords
Presentation 2005-11-17 15:50
Estimating flow rate from sampled packet streams for detection of performance degradation at TCP flow level
Ryoichi Kawahara, Tatsuya Mori, Keisuke Ishibashi, Noriaki Kamiyama, Takeo Abe (NTT)
Abstract (in Japanese) (See Japanese page) 
(in English) A method of estimating TCP flow-rates of sampled flows through packet sampling is described in this paper. We use sequence numbers of sampled packets, which make it possible to improve markedly the accuracy of estimating the flow rates. Using an analytical model, we investigate how to
set parameters such as packet sampling probability used in this method of estimation. As a remarkable result, we show that the estimation accuracy improves as the sampling probability decreases. Using measured data, we also show that this method gives accurate estimations. We also show that this estimation method enables us to detect performance degradation at the TCP flow level.
Keyword (in Japanese) (See Japanese page) 
(in English) packet sampling / TCP performance / flow rate / / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 406, CQ2005-68, pp. 7-12, Nov. 2005.
Paper # CQ2005-68 
Date of Issue 2005-11-10 (NS, CQ, TM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee ICM NS CQ  
Conference Date 2005-11-17 - 2005-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kunibiki-messe (Matsue city) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NW performance management, NW quality, etc. 
Paper Information
Registration To CQ 
Conference Code 2005-11-TM-NS-CQ 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimating flow rate from sampled packet streams for detection of performance degradation at TCP flow level 
Sub Title (in English)  
Keyword(1) packet sampling  
Keyword(2) TCP performance  
Keyword(3) flow rate  
1st Author's Name Ryoichi Kawahara  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Tatsuya Mori  
2nd Author's Affiliation NTT (NTT)
3rd Author's Name Keisuke Ishibashi  
3rd Author's Affiliation NTT (NTT)
4th Author's Name Noriaki Kamiyama  
4th Author's Affiliation NTT (NTT)
5th Author's Name Takeo Abe  
5th Author's Affiliation NTT (NTT)
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Date Time 2005-11-17 15:50:00 
Presentation Time 25 
Registration for CQ 
Paper # IEICE-NS2005-114,IEICE-CQ2005-68,IEICE-TM2005-29 
Volume (vol) IEICE-105 
Number (no) no.405(NS), no.406(CQ), no.407(TM) 
Page pp.19-24(NS), pp.7-12(CQ), pp.7-12(TM) 
#Pages IEICE-6 
Date of Issue IEICE-NS-2005-11-10,IEICE-CQ-2005-11-10,IEICE-TM-2005-11-10 

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