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Paper Abstract and Keywords
Presentation 2022-08-30 09:25
Adaptive Joint Optimization of IT Resources and Optical Spectrum Considering Operation Cost
Takashi Miyamura (NTT), Akira Misawa (CIST) PN2022-15
Abstract (in Japanese) (See Japanese page) 
(in English) We propose an adaptive joint optimization method of IT resources and optical spectrum under time-varying traffic demand in elastic optical networks while avoiding an increase in operation cost. Currently, numerous network services are provided by a service function chain (SFC). Once SFCs are provisioned, an optical path is established to connect the SFC and users. SFCs are placed in one of the candidate datacenters in the network by considering residual IT resources and the location of users. Here, the optimal placement of SFCs can vary due to service demand changes. To maintain network performance, we need to reconfigure network configuration by migrating SFCs and rerouting optical paths. However, such reconfiguration requires additional operation cost. In this paper, we consider the joint optimization problem of IT resources and optical spectrum in consideration of operation cost. We formulate the problem as mixed integer linear programming and then quantitatively evaluate the trade-off relationship between the optimality of reconfiguration and operation cost. We demonstrate that we can achieve sufficient network performance through the adaptive joint optimization while suppressing an increase in operation cost.
Keyword (in Japanese) (See Japanese page) 
(in English) network virtualization / network optimization / optical network / NFV / JPN model / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 169, PN2022-15, pp. 36-43, Aug. 2022.
Paper # PN2022-15 
Date of Issue 2022-08-22 (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)
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Conference Information
Committee PN  
Conference Date 2022-08-29 - 2022-08-30 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2022-08-PN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Joint Optimization of IT Resources and Optical Spectrum Considering Operation Cost 
Sub Title (in English)  
Keyword(1) network virtualization  
Keyword(2) network optimization  
Keyword(3) optical network  
Keyword(4) NFV  
Keyword(5) JPN model  
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1st Author's Name Takashi Miyamura  
1st Author's Affiliation NTT Network Service Systems Labs, NTT Corporation (NTT)
2nd Author's Name Akira Misawa  
2nd Author's Affiliation Chitose Institute of Science and Technology (CIST)
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Speaker Author-1 
Date Time 2022-08-30 09:25:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2022-15 
Volume (vol) vol.122 
Number (no) no.169 
Page pp.36-43 
#Pages 8 
Date of Issue 2022-08-22 (PN) 

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