Paper Abstract and Keywords |
Presentation |
2012-03-09 11:20
Improvement of Upload Fairness for P2P Streaming Satoshi Nakashima, Miki Yamamoto (Kansai Univ.) NS2011-246 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
P2P streaming system, such as PPLive and PPstream, is constructed based on the widely deployed BitTorrent P2P system. In BitTorrent, Tit for Tat strategy is used for choking algorithm in order to deal with free rider problem. However, in P2P streaming system, another strategy of unchoking the most uploaded peers is applied because smooth distribution of
streaming chunks among peers is very important especially for streaming service. Peers whose offset is going ahead has more chunks to be exchanged than peers with lagged offset, which may lead to imbalance of upload among peers. In P2P system, all peer obtain almost the same amount of information, so fairness of upload amount among peers is one of the most important technical issues. In this paper, we propose a new choking algorithm where each peer tries to select peers with closest offsets
as unchoking peers. Our simulation results show that our proposed algorithm boosts chunk exchange among peers with close offsets, which greatly improves fairness among upload of peers. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
P2P / LiveStreaming / fairness / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 111, no. 468, NS2011-246, pp. 375-380, March 2012. |
Paper # |
NS2011-246 |
Date of Issue |
2012-03-01 (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 |
NS2011-246 |
Conference Information |
Committee |
NS IN |
Conference Date |
2012-03-08 - 2012-03-09 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Miyazaki Seagia |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
General |
Paper Information |
Registration To |
NS |
Conference Code |
2012-03-NS-IN |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Improvement of Upload Fairness for P2P Streaming |
Sub Title (in English) |
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P2P |
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LiveStreaming |
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fairness |
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1st Author's Name |
Satoshi Nakashima |
1st Author's Affiliation |
Kansai University (Kansai Univ.) |
2nd Author's Name |
Miki Yamamoto |
2nd Author's Affiliation |
Kansai University (Kansai Univ.) |
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Speaker |
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Date Time |
2012-03-09 11:20:00 |
Presentation Time |
20 minutes |
Registration for |
NS |
Paper # |
NS2011-246 |
Volume (vol) |
vol.111 |
Number (no) |
no.468 |
Page |
pp.375-380 |
#Pages |
6 |
Date of Issue |
2012-03-01 (NS) |
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