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Paper Abstract and Keywords
Presentation 2008-06-20 14:55
Dynamic Topology Reconfiguration Method for Overlay Networks using Users' Community Information
Tomoyasu Ogasa, Yousuke Takahashi, Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase (Osaka Univ.), Takeshi Yagi, Junichi Murayama (NTT) IN2008-24
Abstract (in Japanese) (See Japanese page) 
(in English) In an overlay network, it is important to reconfigure its network topology appropriately according to change of traffic requirements from users. An efficient dynamic topology reconfiguration method called CBP (Cluster-Based Policy), which optimizes the trade-off between communication cost and topology reconfigure cost, has been proposed. However, CBP assumes that all traffic requirements from users are known in advance. In this paper, we propose a dynamic topology reconfiguration method called ACBP (Approximate Cluster-Based Policy), which does not require detailed information on users’ traffic requirements. By utilizing community information of a social network formed by overlay network users, ACBP performs efficient dynamic topology reconfiguration even when users’ traffic requirements are unknown. In this paper, we also evaluate the effectiveness of our ACBP through simulations. Consequently, we show that even when users’ traffic requirements are unknown, the overall cost of ACBP is approximately 112 % of the overall cost of CBP.
Keyword (in Japanese) (See Japanese page) 
(in English) Overlay Network / Topology Reconfiguration / Social Network / Community / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 92, IN2008-24, pp. 85-90, June 2008.
Paper # IN2008-24 
Date of Issue 2008-06-12 (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)
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Conference Information
Committee IN  
Conference Date 2008-06-19 - 2008-06-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Control, QoS, Routing, Multicast, etc. 
Paper Information
Registration To IN 
Conference Code 2008-06-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic Topology Reconfiguration Method for Overlay Networks using Users' Community Information 
Sub Title (in English)  
Keyword(1) Overlay Network  
Keyword(2) Topology Reconfiguration  
Keyword(3) Social Network  
Keyword(4) Community  
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1st Author's Name Tomoyasu Ogasa  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yousuke Takahashi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Kouhei Sugiyama  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Hiroyuki Ohsaki  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Makoto Imase  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Takeshi Yagi  
6th Author's Affiliation NTT (NTT)
7th Author's Name Junichi Murayama  
7th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2008-06-20 14:55:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2008-24 
Volume (vol) vol.108 
Number (no) no.92 
Page pp.85-90 
#Pages 6 
Date of Issue 2008-06-12 (IN) 

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