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Paper Abstract and Keywords
Presentation 2022-05-13 09:50
Proposing Federated Consensus and its Performance Evaluation Experiment with Many Nodes
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2022-15
Abstract (in Japanese) (See Japanese page) 
(in English) Public blockchains have an extremely slow transaction processing capacity,
which is known as the blockchain scalability problem.
We have investigated our cross-referencing method as a consensus algorithm
for multiple blockchains to improve the scalability and other aspects.
On the other hand, similar methodology has been proposed by blockchain projects,
such as Polkadot and Cosmos.
In this paper, we propose federated consensus to summarize frameworks to
improve the scalability and other aspects.
We also explain that the federated consensus can be classified into two types:
relay-chain type that requires the blockchain in the upper layer and
chain-less type that does not require the one.
Furthermore, we conducted experiments to evaluate the performance of the latency
to finish chain-less-type federated consensus in the cross-referencing method
with a peer-to-peer network of more than 100 nodes.
As a result, we confirmed that the average latency increased by about 3.3 seconds
per node as increasing the number of domains.
Keyword (in Japanese) (See Japanese page) 
(in English) Blockchain / Consensus Algorithm / Scalability / Interoperability / Latency / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 16, NS2022-15, pp. 34-39, May 2022.
Paper # NS2022-15 
Date of Issue 2022-05-05 (NS) 
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 NS2022-15

Conference Information
Committee NS  
Conference Date 2022-05-12 - 2022-05-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Rakuyu Kaikan, Kyoto Univ. + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High level protocol, Networking technologies (IP and high-layer routing/filtering, Multicast, Quality/Routing control), IP network application technologies (P2P, P4P, Overlay, SIP, NGN), Network system related technologies (System configuration, Interface, Architecture, Hardware/Software/Middleware), Security, Blockchain etc. 
Paper Information
Registration To NS 
Conference Code 2022-05-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposing Federated Consensus and its Performance Evaluation Experiment with Many Nodes 
Sub Title (in English)  
Keyword(1) Blockchain  
Keyword(2) Consensus Algorithm  
Keyword(3) Scalability  
Keyword(4) Interoperability  
Keyword(5) Latency  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takaaki Yanagihara  
1st Author's Affiliation Chiba Institute of Technology (CIT)
2nd Author's Name Akihiro Fujihara  
2nd Author's Affiliation Chiba Institute of Technology (CIT)
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Speaker Author-1 
Date Time 2022-05-13 09:50:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2022-15 
Volume (vol) vol.122 
Number (no) no.16 
Page pp.34-39 
#Pages 6 
Date of Issue 2022-05-05 (NS) 

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