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Paper Abstract and Keywords
Presentation 2004-07-15 14:30
Improving the convergence time of HighSpeed TCP
Masayoshi Nabeshima, Kouji Yata (NTT)
Abstract (in Japanese) (See Japanese page) 
(in English) It is reported that TCP does not perform well in high-speed and long-distance networks. This problem led to the proposal of HighSpeed TCP (HS-TCP). HS-TCP is designed to achieve a steady-state throughput of 10 Gbps with a packet loss rate of $10^{-7}$ when the packet size is 1500 bytes and the round trip time is 100 ms. However, HS-TCP has a problem in terms of convergence times. That is, it takes a long time for a new HS-TCP flow to achieve fair bandwidth allocation if the existing HS-TCP flows have large congestion windows. This paper proposes a new mechanism to improve the convergence time of HS-TCP. The basic idea of our mechanism is that if a flow has larger window than is fair its window is decreased more aggressively than usual. Simulations show that our mechanism significantly improves the convergence time of HS-TCP.
Keyword (in Japanese) (See Japanese page) 
(in English) HighSpeed TCP / high-speed and long-distance network / convergence time / / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 181, IN2004-30, pp. 19-24, July 2004.
Paper # IN2004-30 
Date of Issue 2004-07-08 (IN) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee IN  
Conference Date 2004-07-15 - 2004-07-16 
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Paper Information
Registration To IN 
Conference Code 2004-07-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improving the convergence time of HighSpeed TCP 
Sub Title (in English)  
Keyword(1) HighSpeed TCP  
Keyword(2) high-speed and long-distance network  
Keyword(3) convergence time  
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1st Author's Name Masayoshi Nabeshima  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Kouji Yata  
2nd Author's Affiliation NTT (NTT)
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Speaker Author-1 
Date Time 2004-07-15 14:30:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2004-30 
Volume (vol) vol.104 
Number (no) no.181 
Page pp.19-24 
#Pages
Date of Issue 2004-07-08 (IN) 


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