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Paper Abstract and Keywords
Presentation 2010-01-29 13:00
Broadcast Pre-distribution in VoD Services
Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Haruhisa Hasegawa (NTT Corp.) NS2009-156
Abstract (in Japanese) (See Japanese page) 
(in English) VoD services in which users can request content delivery on demand has been widely used. In VoD services, the demand for content widely changes on daily scale. Because service provider is required to maintain stable service during peak hours, reducing the server load at peak hours is an important problem. Although multicast delivery in which multiple users requesting the same content are supported by one delivery session is effective to suppress the server load at peak hours, the response time of users seriously increases. P2P-assisted delivery system in which users download content from other users watching the same content is also effective to reduce the server load. However, the system performance depends on selfish user behavior, and the global optimization is difficult. Moreover, complex operation, i.e., switching the delivery multicast tree or source peers, is necessary to support VCR operation. In this paper, we propose to reduce the server load without increasing user response time by broadcasting content to all users prior requests, independently of actual requests. Through numerical evaluation using actual VoD access log data, we clarify the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) VoD / broadcast / pre-distribution / load balancing / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 398, NS2009-156, pp. 83-88, Jan. 2010.
Paper # NS2009-156 
Date of Issue 2010-01-21 (NS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 NS  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka Institute of System LSI Design Industry (Fukuoka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Software, Network Application, SOA/SDP, NGN, IMS, API, Grid 
Paper Information
Registration To NS 
Conference Code 2010-01-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Broadcast Pre-distribution in VoD Services 
Sub Title (in English)  
Keyword(1) VoD  
Keyword(2) broadcast  
Keyword(3) pre-distribution  
Keyword(4) load balancing  
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1st Author's Name Noriaki Kamiyama  
1st Author's Affiliation NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.)
2nd Author's Name Ryoichi Kawahara  
2nd Author's Affiliation NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.)
3rd Author's Name Tatsuya Mori  
3rd Author's Affiliation NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.)
4th Author's Name Haruhisa Hasegawa  
4th Author's Affiliation NTT Service Integration Laboratories, NTT Corporation. (NTT Corp.)
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Speaker
Date Time 2010-01-29 13:00:00 
Presentation Time 25 
Registration for NS 
Paper # IEICE-NS2009-156 
Volume (vol) IEICE-109 
Number (no) no.398 
Page pp.83-88 
#Pages IEICE-6 
Date of Issue IEICE-NS-2010-01-21 


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