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Paper Abstract and Keywords
Presentation 2008-05-15 16:15
Analysis of Efficient Network Structure for Parallel Download
Noriaki Kamiyama, Ryoichi Kawahara, Haruhisa Hasegawa (NTT) NS2008-4
Abstract (in Japanese) (See Japanese page) 
(in English) In the Internet, video streaming service in which users can enjoy videos at home is becoming popular. Video streaming with HDTV or UHDV class quality will be also provided in future. However, the transmission bit-rate of HDTV or UHDV is quite large, so traffic flows generated by this service will cause link congestion. To alleviate the impact caused by this bandwidth-demanded service on the Internet, it is important to mitigate the traffic concentration and balance the load on each link in the network. One simple approach to achieve this goal is to provide multiple video servers over the network and download video from multiple servers to one user. However, the effectiveness of parallel download will strongly depend on the network topology. In this paper, we numerically evaluate the performance of parallel download using the actual topologies of 23 commercial ISP backbone networks. We clarify the conditions required for network topology to effectively decrease the variation of link load without increasing the average link load.
Keyword (in Japanese) (See Japanese page) 
(in English) content distribution / streaming / parallel download / topology / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 31, NS2008-4, pp. 19-24, May 2008.
Paper # NS2008-4 
Date of Issue 2008-05-08 (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)
Download PDF NS2008-4

Conference Information
Committee NS  
Conference Date 2008-05-15 - 2008-05-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Future University-Hakodate 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Traffic Modeling, Post-IP Networking, Network Control, Protocol Design, Network Simulation, etc. 
Paper Information
Registration To NS 
Conference Code 2008-05-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Efficient Network Structure for Parallel Download 
Sub Title (in English)  
Keyword(1) content distribution  
Keyword(2) streaming  
Keyword(3) parallel download  
Keyword(4) topology  
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1st Author's Name Noriaki Kamiyama  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Ryoichi Kawahara  
2nd Author's Affiliation NTT (NTT)
3rd Author's Name Haruhisa Hasegawa  
3rd Author's Affiliation NTT (NTT)
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Speaker Author-1 
Date Time 2008-05-15 16:15:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2008-4 
Volume (vol) vol.108 
Number (no) no.31 
Page pp.19-24 
#Pages 6 
Date of Issue 2008-05-08 (NS) 

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