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Paper Abstract and Keywords
Presentation 2014-01-24 15:20
Improving optimistic unchoke for reducing cross-ISP traffic of BitTorrent
Hisashi Eto, Satoshi Ohzahata, Toshihiko Kato (UEC) IN2013-139
Abstract (in Japanese) (See Japanese page) 
(in English) In BitTorrent, network consist of overlay network on IP network. Therefore, even if peer wants a piece that exists in the same AS, the peer may get the piece from the outside AS. This behavior causes redundant traffic, and becomes burden for ISPs. In the peer selection algorithm, each peer randomly selects a peer with the optimistic unchoke every thirty seconds from its peer list. We improve the optimistic unchoke to reduces the cross-AS traffic in this paper. The proposed method uses original Tit-for-tat strategy to keep fairness between an uploader and a downloader, but we modify the optimistic unchoke to reduce the redundant traffic across ASes.
Keyword (in Japanese) (See Japanese page) 
(in English) P2P / BitTorrent / Localization / Optimistic Unchoke / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 389, IN2013-139, pp. 127-132, Jan. 2014.
Paper # IN2013-139 
Date of Issue 2014-01-16 (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 IN2013-139

Conference Information
Committee IN NWS  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya International Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Software, Contents Delivery/Contents Exchange, Social Networking Service (SNS), Data Analysis/Processing Platform, Big Data, etc. 
Paper Information
Registration To IN 
Conference Code 2014-01-IN-NWS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improving optimistic unchoke for reducing cross-ISP traffic of BitTorrent 
Sub Title (in English)  
Keyword(1) P2P  
Keyword(2) BitTorrent  
Keyword(3) Localization  
Keyword(4) Optimistic Unchoke  
Keyword(5)  
Keyword(6)  
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Keyword(8)  
1st Author's Name Hisashi Eto  
1st Author's Affiliation The University of electro-Communications (UEC)
2nd Author's Name Satoshi Ohzahata  
2nd Author's Affiliation The University of electro-Communications (UEC)
3rd Author's Name Toshihiko Kato  
3rd Author's Affiliation The University of electro-Communications (UEC)
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Speaker Author-1 
Date Time 2014-01-24 15:20:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2013-139 
Volume (vol) vol.113 
Number (no) no.389 
Page pp.127-132 
#Pages 6 
Date of Issue 2014-01-16 (IN) 

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