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Paper Abstract and Keywords
Presentation 2024-01-25 13:25
[Encouragement Talk] An Evaluation of Routing Algorithm Consideration Data Importance Based on Combination of SDN and DTN
Haruhiko Sakamoto (NIT, Sendai.), Hitoshi Kamei (Kagawa Univ.), Takaki Nakamura (Tohoku Univ.), Satoru Izumi (NIT, Sendai.) NS2023-160
Abstract (in Japanese) (See Japanese page) 
(in English) Resident information stored in public organizations such as city halls and medical information stored in medical facilities are periodically stored on local servers in the same facilities or on cloud servers in remote locations. However, when a major disaster such as the Great East Japan Earthquake occurs, data stored on local servers are lost due to failures caused by secondary disasters such as tsunamis, etc. Data on cloud servers are not lost, but necessary data cannot be retrieved in the disaster area due to the disruption of wide-area networks. To solve these problems, risk-aware data replication (RDR) has been proposed, in which data is stored on a secure server in the same city or other nearby locations. In these proposals, replicated data is classified by importance and replicated through different paths. However, when duplicate paths occur during data transmission, the throughput is reduced. In this paper, we focus on the Delay Tolerant Network (DTN) algorithm to solve this problem. We propose a dynamic routing control method by using SDN and DTN. This method increases the amount of data replicated by storing less important data in the DTN server and preventing duplication of routes when duplication occurs.
Keyword (in Japanese) (See Japanese page) 
(in English) Disaster Resistant Network / SDN / DTN / Data Importance / Disaster Risk / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 367, NS2023-160, pp. 7-12, Jan. 2024.
Paper # NS2023-160 
Date of Issue 2024-01-18 (NS) 
ISSN 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)
Download PDF NS2023-160

Conference Information
Committee NS NWS  
Conference Date 2024-01-25 - 2024-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Higashisenda Campus, HiroshimaUniversity + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network software (Software architecture, Middleware), Network application, SOA/SDP, NGN/IMS/API, Distributed control/Dynamic routing, Grid, NFV, IoT, Network/System reliability, Network/System evaluation, etc. 
Paper Information
Registration To NS 
Conference Code 2024-01-NS-NWS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Evaluation of Routing Algorithm Consideration Data Importance Based on Combination of SDN and DTN 
Sub Title (in English)  
Keyword(1) Disaster Resistant Network  
Keyword(2) SDN  
Keyword(3) DTN  
Keyword(4) Data Importance  
Keyword(5) Disaster Risk  
1st Author's Name Haruhiko Sakamoto  
1st Author's Affiliation National Institute of Technology, Sendai College (NIT, Sendai.)
2nd Author's Name Hitoshi Kamei  
2nd Author's Affiliation Kagawa University (Kagawa Univ.)
3rd Author's Name Takaki Nakamura  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Satoru Izumi  
4th Author's Affiliation National Institute of Technology, Sendai College (NIT, Sendai.)
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Speaker Author-1 
Date Time 2024-01-25 13:25:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2023-160 
Volume (vol) vol.123 
Number (no) no.367 
Page pp.7-12 
Date of Issue 2024-01-18 (NS) 

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