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Paper Abstract and Keywords
Presentation 2008-03-14 13:35
Study and Implementation on P2P based Contents Delivery Network System using Cooperation of Server and Clients
Tomohiro Tsuji, Mikio Kaneko, Yutaka Arakawa, Satoru Okamoto, Naoaki Yamanaka (Keio Univ.) PN2007-90
Abstract (in Japanese) (See Japanese page) 
(in English) Although CDN(Contents Delivery Network) is the remarkable network to transmit multimedia contents fast, it could not reduce the download time for rich contents such as HDTV(High Definition TeleVision). So, we implemented the P2P based Contents Delivery Network System that download contents from not only the Contents Server but also Clients who finished downloading the contents. To select the download site, we send Pings to the list of download site, and then select the download site which has the shortest RTT. But, in this implementation requests from Clients flock to the download site which has the shortest RTT, because the download site has been selected only by Client side. As a result, there are possibility that download time deteriorates. In this paper, we propose a ``P2P based Contents Delivery Network System using Cooperation of Server and Clients" which is aiming for load-balancing by adjusting the candidates of download sites given to the client at the server side, and by restricting the number of maximum connections of each candidate. The performance of our proposed methods and the prototype system are evaluated by computer simulations. As a result, we showed that the contents delivery time of our proposals are reduced up to 40% compared to the prototype system.
Keyword (in Japanese) (See Japanese page) 
(in English) contents delivery network / P2P / High definition TV / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 544, PN2007-90, pp. 93-98, March 2008.
Paper # PN2007-90 
Date of Issue 2008-03-06 (PN) 
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 PN2007-90

Conference Information
Committee PN  
Conference Date 2008-03-13 - 2008-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Ohama-Nobumoto-Kinenkan (Ishigakijima) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network technologies 
Paper Information
Registration To PN 
Conference Code 2008-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study and Implementation on P2P based Contents Delivery Network System using Cooperation of Server and Clients 
Sub Title (in English)  
Keyword(1) contents delivery network  
Keyword(2) P2P  
Keyword(3) High definition TV  
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1st Author's Name Tomohiro Tsuji  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Mikio Kaneko  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Yutaka Arakawa  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Satoru Okamoto  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Naoaki Yamanaka  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2008-03-14 13:35:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2007-90 
Volume (vol) vol.107 
Number (no) no.544 
Page pp.93-98 
#Pages 6 
Date of Issue 2008-03-06 (PN) 

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