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Paper Abstract and Keywords
Presentation 2024-03-12 13:45
Dynamic control of redundancy factor k in the byzantine-resilient structured overlay network ByzSkip
Toyokazu Akiyama (Kyoto Sangyo Univ.), Yuuichi Teranishi (NICT), Kota Abe (Osaka Metropolitan Univ.) SITE2023-74 IA2023-80
Abstract (in Japanese) (See Japanese page) 
(in English) While key-order preserving structured overlay networks (KOPSONs) with Byzantine Fault Tolerance (BFT) are expected to have a wide range of applications, no realistic implementation has been shown. To realize KOPSON with BFT, we have proposed a structure based on keys and random numbers given by Authority and a routing scheme that constructs k redundant routes based on the structure. However, in the proposed scheme, the redundancy parameter k is a common value for all nodes, which may cause excessive redundant messages to be sent and received for a given target arrival probability. This paper proposes a method to reduce the number of messages while maintaining reachability by dynamically determining the redundancy parameter k when sending a message, assuming an environment with multiple trusted secure nodes, such as nodes deployed by service providers themselves. The results of a simulation study of the impact of varying the secure node ratio are also reported.
Keyword (in Japanese) (See Japanese page) 
(in English) distributed system / security / byzantine-resilient / structured overlay network / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 422, IA2023-80, pp. 36-42, March 2024.
Paper # IA2023-80 
Date of Issue 2024-03-05 (SITE, IA) 
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 SITE2023-74 IA2023-80

Conference Information
Committee IA SITE IPSJ-IOT  
Conference Date 2024-03-12 - 2024-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima City Future Creation Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet and Information Ethics Education, etc. 
Paper Information
Registration To IA 
Conference Code 2024-03-IA-SITE-IOT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dynamic control of redundancy factor k in the byzantine-resilient structured overlay network ByzSkip 
Sub Title (in English)  
Keyword(1) distributed system  
Keyword(2) security  
Keyword(3) byzantine-resilient  
Keyword(4) structured overlay network  
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1st Author's Name Toyokazu Akiyama  
1st Author's Affiliation Kyoto Sangyo University (Kyoto Sangyo Univ.)
2nd Author's Name Yuuichi Teranishi  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Kota Abe  
3rd Author's Affiliation Osaka Metropolitan University (Osaka Metropolitan Univ.)
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Speaker Author-1 
Date Time 2024-03-12 13:45:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # SITE2023-74, IA2023-80 
Volume (vol) vol.123 
Number (no) no.421(SITE), no.422(IA) 
Page pp.36-42 
#Pages 7 
Date of Issue 2024-03-05 (SITE, IA) 

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