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Paper Abstract and Keywords
Presentation 2010-12-17 15:25
RADIC-TCP: Protocol Achieving High-Throughput in Virtual Private WAN
Takashi Isobe, Daisuke Ito, Dai Akashi, Satoshi Tsutsumi (Hitachi) IN2010-116
Abstract (in Japanese) (See Japanese page) 
(in English) Conventional TCP decreases the throughput over a virtual private WAN between global offices, which has larger communication delay and causes packet loss at higher frequency than LAN. This paper proposes an original TCP: RADIC-TCP (RTT - And - Discard - Independent Congestion control TCP): the high-speed protocol applied for virtual private WAN comprising of following three features: the bandwidth control using token size to limit the size of send data by each constant interval of time independent on RTT, rapid retransmission of all discontinuous loss segments and congestion control based on ratio and throughput of packet loss. We implemented the apparatus applying RADIC-TCP for a normal PC, and evaluated the throughput of RADIC-TCP by using it. In the experimentation to replicate a general WAN (100Mbps, RTT: 200ms, loss: 0.1%), the file transmission of single FTP user over RADIC-TCP achieves 90 Mbps or more throughput. When the bandwidth allocated for RADIC-TCP is limited up to 10Mbps to protect other TCP communications, the file transmissions of 50 FTP users were completed at the same time by dividing the 10Mbps bandwidth fairly, while securing the bandwidth of 90Mbps for other TCP communications.
Keyword (in Japanese) (See Japanese page) 
(in English) TCP / protocol / delay / RTT / WAN / loss / congestion control / throughput  
Reference Info. IEICE Tech. Rep., vol. 110, no. 341, IN2010-116, pp. 111-116, Dec. 2010.
Paper # IN2010-116 
Date of Issue 2010-12-09 (IN) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IN2010-116

Conference Information
Committee IN  
Conference Date 2010-12-16 - 2010-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Traffic control, Policy management, Network anomaly detection, Reliability, Authentication, Naming management, Network security, Privacy, VPN, DDoS, etc. 
Paper Information
Registration To IN 
Conference Code 2010-12-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) RADIC-TCP: Protocol Achieving High-Throughput in Virtual Private WAN 
Sub Title (in English)  
Keyword(1) TCP  
Keyword(2) protocol  
Keyword(3) delay  
Keyword(4) RTT  
Keyword(5) WAN  
Keyword(6) loss  
Keyword(7) congestion control  
Keyword(8) throughput  
1st Author's Name Takashi Isobe  
1st Author's Affiliation Hitachi, Ltd., Central Research Laboratory (Hitachi)
2nd Author's Name Daisuke Ito  
2nd Author's Affiliation Hitachi, Ltd., Central Research Laboratory (Hitachi)
3rd Author's Name Dai Akashi  
3rd Author's Affiliation Hitachi, Ltd., Central Research Laboratory (Hitachi)
4th Author's Name Satoshi Tsutsumi  
4th Author's Affiliation Hitachi, Ltd., Central Research Laboratory (Hitachi)
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Speaker Author-1 
Date Time 2010-12-17 15:25:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2010-116 
Volume (vol) vol.110 
Number (no) no.341 
Page pp.111-116 
#Pages 6 
Date of Issue 2010-12-09 (IN) 

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