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Paper Abstract and Keywords
Presentation 2017-03-02 11:40
Content Reallocation Algorithm Considering Popularity Variation
Shohei Imai, Katsunori Yamaoka (Tokyo Tech) IN2016-121
Abstract (in Japanese) (See Japanese page) 
(in English) On general content delivery networks, replica allocation is effective for reducing propagation delay when users get content.
A conventional method which considers popularities per file size has been proposed.
However, this method does not take into account the content reallocation when popularity changes due to the passage of time.
Therefore, content reallocation with conventional method is expected to generate large traffic because the initial allocation is not considered.
In this paper, we propose a novel content reallocation algorithm which considers popularity variation. We also show that this method reduces propagation delay and generated traffic.
Results of computer simulation showed that this method provides better performance than the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) Content Delivery / Content Reallocation / Propagation Delay / Generated Traffic / Popularity of Contents / Storage Limitation / Initial Allocation /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 485, IN2016-121, pp. 145-150, March 2017.
Paper # IN2016-121 
Date of Issue 2017-02-23 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee NS IN  
Conference Date 2017-03-02 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2017-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Content Reallocation Algorithm Considering Popularity Variation 
Sub Title (in English)  
Keyword(1) Content Delivery  
Keyword(2) Content Reallocation  
Keyword(3) Propagation Delay  
Keyword(4) Generated Traffic  
Keyword(5) Popularity of Contents  
Keyword(6) Storage Limitation  
Keyword(7) Initial Allocation  
1st Author's Name Shohei Imai  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Katsunori Yamaoka  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Date Time 2017-03-02 11:40:00 
Presentation Time 20 
Registration for IN 
Paper # IEICE-IN2016-121 
Volume (vol) IEICE-116 
Number (no) no.485 
Page pp.145-150 
#Pages IEICE-6 
Date of Issue IEICE-IN-2017-02-23 

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