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Paper Abstract and Keywords
Presentation 2008-09-12 11:00
Performance Analysis of Peer-to-Peer Real-Time Communication Networks Using Time-Dependent Peer-Population Process -- An Approach by an Infinite Server Queue with a Nonstationary Poisson Process --
Kazuhiko Kuraya, Hiroyuki Masuyama, Shoji Kasahara, Yutaka Takahashi (Kyoto Univ.) NS2008-57
Abstract (in Japanese) (See Japanese page) 
(in English) Skype is a Peer-to-Peer (P2P) based Internet telephony service. In the Skype network, super nodes are chosen from among all ordinary end-user nodes and handle particular tasks such as the management of user information, call establishment, and traffic relay for Network Address Translation (NAT) traversal. The significant characteristic of the Skype network is a load-balancing feature such that the load shared by super nodes is dynamically distributed according to the number of super nodes. In this paper, we analyze the performance of this type of P2P-based dynamic load distribution systems. In our analytical model, new nodes joining the network form a nonstationary Poisson process, and the number of online nodes is approximately analyzed with an M(t)/M/∞ queue. Numerical examples show that the P2P-based dynamic load distribution system keeps the load of super nodes low, providing real-time communication services under the environment in which the number of user nodes dynamically changes.
Keyword (in Japanese) (See Japanese page) 
(in English) P2P / VoIP / nonstationary Poisson process / nonstationary queues / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 203, NS2008-57, pp. 87-92, Sept. 2008.
Paper # NS2008-57 
Date of Issue 2008-09-04 (NS) 
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 CS IN NS  
Conference Date 2008-09-11 - 2008-09-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. 
Paper Information
Registration To NS 
Conference Code 2008-09-CS-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Analysis of Peer-to-Peer Real-Time Communication Networks Using Time-Dependent Peer-Population Process 
Sub Title (in English) An Approach by an Infinite Server Queue with a Nonstationary Poisson Process 
Keyword(1) P2P  
Keyword(2) VoIP  
Keyword(3) nonstationary Poisson process  
Keyword(4) nonstationary queues  
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1st Author's Name Kazuhiko Kuraya  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Hiroyuki Masuyama  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Shoji Kasahara  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Yutaka Takahashi  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2008-09-12 11:00:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2008-57 
Volume (vol) vol.108 
Number (no) no.203 
Page pp.87-92 
#Pages 6 
Date of Issue 2008-09-04 (NS) 

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