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Paper Abstract and Keywords
Presentation 2010-03-05 11:00
Comparative Analysis on AS-Level and Router-Level Topologies Using Degree Correlation Models -- Can degree correlation define the network topology? --
Asuka Izumi, Masato Yoshihara, Youhei Tachikawa, Shigeo Shioda (Chiba Univ.) NS2009-231
Abstract (in Japanese) (See Japanese page) 
(in English) In this article, we present a comparative analysis of AS- and router-level topologies using Degree Correlation Model. Our focus is on the introduction of Markovness, a metric to reconstruct desired network structures by the 1st order degree correlation, while studying if AS- and router-level topologies have such Markovness. As a result of the numerical experiments, we find that the studied AS-level topologies have higher Markovness in terms of clustering coefficient, but in terms of the 2nd order assortativity, it is indicated that the studied router-level topologies are slightly more compatible to Makovness. In addition, we show that it is rather difficult for the existing network generators to reconstruct a network that should reflect the Internet's topological characteristics either at AS- or at router-level solely by the input of 1st order degree correlation.
Keyword (in Japanese) (See Japanese page) 
(in English) degree / degree correlation / Markov / router-level topology / AS-level topology / clustering coefficient / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 448, NS2009-231, pp. 387-392, March 2010.
Paper # NS2009-231 
Date of Issue 2010-02-25 (NS) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee NS IN  
Conference Date 2010-03-04 - 2010-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Phoenix Seagaia Resort (Miyazaki) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General, NS+IN workshop (March 4-5) 
Paper Information
Registration To NS 
Conference Code 2010-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparative Analysis on AS-Level and Router-Level Topologies Using Degree Correlation Models 
Sub Title (in English) Can degree correlation define the network topology? 
Keyword(1) degree  
Keyword(2) degree correlation  
Keyword(3) Markov  
Keyword(4) router-level topology  
Keyword(5) AS-level topology  
Keyword(6) clustering coefficient  
1st Author's Name Asuka Izumi  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Masato Yoshihara  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Youhei Tachikawa  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Shigeo Shioda  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2010-03-05 11:00:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2009-231 
Volume (vol) vol.109 
Number (no) no.448 
Page pp.387-392 
Date of Issue 2010-02-25 (NS) 

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