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Paper Abstract and Keywords
Presentation 2011-07-21 17:35
Server load balancing with a URL shortener in Tohoku earthquake
Takeru Inoue (JST), Shin-ichi Minato (Hokkaido Univ./JST) IN2011-56
Abstract (in Japanese) (See Japanese page) 
(in English) Several servers providing disaster-related information often went down after Tohoku earthquake and tsunami, due to "flash crowds" caused by Twitter. URLs are usually shortened in Twitter by a URL shortener, since message length is strictly limited. We find that URL shorteners form a new "indirection layer" and traffic can be diverted in the layer. This encourages us to develop rcdn.info just after the earthquake; rcdn.info takes advantage of this layer to redirect the flash crowds to a CDN. This paper describes rcdn.info and analyzes the access logs.
Keyword (in Japanese) (See Japanese page) 
(in English) server load balancing / URL shortening / disasters / Tohoku earthquake and tsunami / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 146, IN2011-56, pp. 63-68, July 2011.
Paper # IN2011-56 
Date of Issue 2011-07-14 (IN) 
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 IN2011-56

Conference Information
Committee IN NV  
Conference Date 2011-07-21 - 2011-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IPv6, Photonic network system, New/Next Generation Network, etc 
Paper Information
Registration To IN 
Conference Code 2011-07-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Server load balancing with a URL shortener in Tohoku earthquake 
Sub Title (in English)  
Keyword(1) server load balancing  
Keyword(2) URL shortening  
Keyword(3) disasters  
Keyword(4) Tohoku earthquake and tsunami  
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1st Author's Name Takeru Inoue  
1st Author's Affiliation Japan Science and Technology Agency (JST)
2nd Author's Name Shin-ichi Minato  
2nd Author's Affiliation Hokkaido University/Japan Science and Technology Agency (Hokkaido Univ./JST)
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Speaker Author-1 
Date Time 2011-07-21 17:35:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2011-56 
Volume (vol) vol.111 
Number (no) no.146 
Page pp.63-68 
#Pages 6 
Date of Issue 2011-07-14 (IN) 

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