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Paper Abstract and Keywords
Presentation 2009-03-10 14:55
Cycle Attack Free Logical Topology Design in OCDM Networks
Yosuke Katsukawa, Shaowei Huang, Ken-ichi Kitayama (Osaka Univ.) PN2008-103
Abstract (in Japanese) (See Japanese page) 
(in English) In OCDM networks there is a chance that cycle attack is caused by MAI(Multiaccess Interference) propagation and could disrupt network services.
In the previous study, a heuristic wavelength assignment approach was proposed to avoid the unintended cycle attack under dynamic traffic condition. However, this approach may cause a long overhead in distributed lightpath establishment delay which in turn leads to high blocking probability. In this paper, we propose a cycle attack free logical topology design to resolve the unintended cycle attack problem. The proposal can completely eliminate cycle attack in the routing phase, and moreover reduce the overhead in lightpath establishment delay. The basic idea is to design tree-based logical topology for each wavelength.
In addition, three different wavelength assignment schemes are designed upon each connection request. We evaluate our proposal via computer simulations. Illustrative results show that; a) putting a high priority to the tree-based topolgies with smaller average hops is more effective to obtain better blocking performance; b) in distributed lightpath establishment the proposed approach can outperform the existing approach in terms of blocking and delay performance if the link delay is not
small enough compared to the connection request service duration.
Keyword (in Japanese) (See Japanese page) 
(in English) OCDM / MAI / cycle attack / tree logical topology / distributed lightpath establishments / link propagation delay / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 476, PN2008-103, pp. 111-116, March 2009.
Paper # PN2008-103 
Date of Issue 2009-03-02 (PN) 
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 PN2008-103

Conference Information
Committee PN  
Conference Date 2009-03-09 - 2009-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Yonaguni Island 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network technologies 
Paper Information
Registration To PN 
Conference Code 2009-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Cycle Attack Free Logical Topology Design in OCDM Networks 
Sub Title (in English)  
Keyword(1) OCDM  
Keyword(2) MAI  
Keyword(3) cycle attack  
Keyword(4) tree logical topology  
Keyword(5) distributed lightpath establishments  
Keyword(6) link propagation delay  
Keyword(7)  
Keyword(8)  
1st Author's Name Yosuke Katsukawa  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Shaowei Huang  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Ken-ichi Kitayama  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2009-03-10 14:55:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2008-103 
Volume (vol) vol.108 
Number (no) no.476 
Page pp.111-116 
#Pages 6 
Date of Issue 2009-03-02 (PN) 

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