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Paper Abstract and Keywords
Presentation 2012-11-15 10:00
Development of a P2P Live Streaming System and its Performance Evaluation through Live Streaming Trials in 2012 London Olympics
Satoshi Nishimura, Katsunori Aoki, Toshio Nakagawa, Yosuke Endo, Kiyohiko Ishikawa (NHK) CQ2012-60
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing an application-layer multicast system based on Peer-to-Peer (P2P) technologies to efficiently distribute live content, such as TV program-related videos or live events, over the Internet. In a P2P delivery system, the construction strategy of the P2P network and the ratio of stream forwarders to all terminals greatly affect its stability and streaming capacity. The location of each terminal in the P2P network should be adjusted by considering its bandwidth capacity and the configuration of the private network where it belongs. In addition, it is necessary to take into account the abrupt termination of stream reception and forwarding by end users. Robust delivery paths are necessary to maintain stable stream relay.
We developed a new P2P live streaming system that improves robustness by constructing a mesh-type network and enlarges streaming capacity by improving the use of terminals connected to high-speed broadband. This system has dedicated to live streaming of 2012 London Olympic Games. Through these trials, the effects of server load reduction and stable distribution of streaming content were proved.
Keyword (in Japanese) (See Japanese page) 
(in English) P2P / mesh-type network / live streaming / server load reduction rate / London Olympics / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 288, CQ2012-60, pp. 19-24, Nov. 2012.
Paper # CQ2012-60 
Date of Issue 2012-11-08 (CQ) 
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 CQ2012-60

Conference Information
Committee CQ ICM NS  
Conference Date 2012-11-15 - 2012-11-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagahama Inst. of Bio-Science and Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Quality, Network Management and Measurement, Network Virtualization, General 
Paper Information
Registration To CQ 
Conference Code 2012-11-CQ-ICM-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of a P2P Live Streaming System and its Performance Evaluation through Live Streaming Trials in 2012 London Olympics 
Sub Title (in English)  
Keyword(1) P2P  
Keyword(2) mesh-type network  
Keyword(3) live streaming  
Keyword(4) server load reduction rate  
Keyword(5) London Olympics  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Satoshi Nishimura  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Katsunori Aoki  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Toshio Nakagawa  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Yosuke Endo  
4th Author's Affiliation Japan Broadcasting Corporation (NHK)
5th Author's Name Kiyohiko Ishikawa  
5th Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2012-11-15 10:00:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2012-60 
Volume (vol) vol.112 
Number (no) no.288 
Page pp.19-24 
#Pages 6 
Date of Issue 2012-11-08 (CQ) 

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