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Paper Abstract and Keywords
Presentation 2026-03-02 09:15
Dynamic Assignment Control Method Leveraging the Temporal Flexibility of AR Requests in EON
Motoyoshi Nambu, Ken-ichi Baba (Kogakuin Univ) PN2025-42
Abstract (in Japanese) (See Japanese page) 
(in English) Due to the rapid growth of Internet services, communication traffic has been increasing, and elastic optical networks (EONs) have attracted significant attention as a promising solution for efficiently accommodating this traffic.
In existing studies, for traffic scenarios assuming advance reservation (AR) requests, frequency assignment methods have been proposed to suppress time-domain fragmentation caused by communication reservations by delaying the allocation time of AR requests. However, since the allocation time is statically determined at the arrival of each request, the temporal flexibility inherent in AR requests is not fully exploited.
In this paper, we propose a frequency assignment method that dynamically controls the allocation time by more effectively utilizing the temporal flexibility of AR requests. Simulation results demonstrate that dynamic control of the allocation time reduces both the request blocking probability and the fragmentation ratio. Furthermore, by improving the fragmentation metric calculated at the time of request allocation and incorporating an evaluation factor that promotes the preservation of larger vacant blocks in the central region of the frequency slots, the network capacity can be increased.
Keyword (in Japanese) (See Japanese page) 
(in English) Elastic Optical Networks / AR reqests / RMSA / Spectrum Assignment / Fragmentation / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 372, PN2025-42, pp. 1-6, March 2026.
Paper # PN2025-42 
Date of Issue 2026-02-23 (PN) 
ISSN 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 PN2025-42

Conference Information
Committee PN  
Conference Date 2026-03-02 - 2026-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2026-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic Assignment Control Method Leveraging the Temporal Flexibility of AR Requests in EON 
Sub Title (in English)  
Keyword(1) Elastic Optical Networks  
Keyword(2) AR reqests  
Keyword(3) RMSA  
Keyword(4) Spectrum Assignment  
Keyword(5) Fragmentation  
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1st Author's Name Motoyoshi Nambu  
1st Author's Affiliation Kogakuin University (Kogakuin Univ)
2nd Author's Name Ken-ichi Baba  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ)
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Speaker Author-1 
Date Time 2026-03-02 09:15:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2025-42 
Volume (vol) vol.125 
Number (no) no.372 
Page pp.1-6 
#Pages 6 
Date of Issue 2026-02-23 (PN) 

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