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Paper Abstract and Keywords
Presentation 2009-10-15 14:45
On the Link Capacity Distribution in ISP's Router-level Topologies
Shigehiro Hosoki, Shin'ichi Arakawa, Masayuki Murata (Osaka Univ.) NS2009-84
Abstract (in Japanese) (See Japanese page) 
(in English) Modeling the Internet is vital for network researches. Recent measurement studies on the Internet topology show that the degree distribution obeys power-law distribution. However, only the degree distribution does not determine the performance of network control methods. As previous studies have shown, one of important factors to characterize the performance of network control methods in the Internet is the topological structure. However, other factors, which are even more important, are link capacities and node processing capacities of the network because these are features particular to communication networks. In this paper, we investigate how to model the link capacity in the router-level topologies. We first reveal that the link capacity distribution of ISP's backbone network in Japan obeys the power-law distribution. We then evaluate the network throughput of power-law distribution of link capacities. Our numerical results show that the network taking power-law capacity distributions can accomodate much more traffic than the network taking exponential or uniform capacity distributions.
Keyword (in Japanese) (See Japanese page) 
(in English) power-law / router-level topology / link capacity / modeling the Internet / traffic demand matrix / lognormal distribution / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 228, NS2009-84, pp. 43-48, Oct. 2009.
Paper # NS2009-84 
Date of Issue 2009-10-08 (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 NS2009-84

Conference Information
Committee NS  
Conference Date 2009-10-15 - 2009-10-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Prefectural University of Kumamoto (Kumamoto) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Architecture (Overlay, P2P, Ubiquitous Network, Active Network, NGN, New Generation Network), Grid 
Paper Information
Registration To NS 
Conference Code 2009-10-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the Link Capacity Distribution in ISP's Router-level Topologies 
Sub Title (in English)  
Keyword(1) power-law  
Keyword(2) router-level topology  
Keyword(3) link capacity  
Keyword(4) modeling the Internet  
Keyword(5) traffic demand matrix  
Keyword(6) lognormal distribution  
Keyword(7)  
Keyword(8)  
1st Author's Name Shigehiro Hosoki  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Shin'ichi Arakawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Masayuki Murata  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2009-10-15 14:45:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2009-84 
Volume (vol) vol.109 
Number (no) no.228 
Page pp.43-48 
#Pages 6 
Date of Issue 2009-10-08 (NS) 

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