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| Presentation | 2018-07-06 10:20 [Encouragement Talk] Scope Expansions and Component-based Architecture Design of Operational Smart-Contract for Permissioned Blockchain System Tatsuya Sato, Yosuke Himura, Jun Nemoto (Hitachi)  ICM2018-18 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Enterprises have paid attention to permissioned blockchain (BC) characterized with smart-contract (SC), where business transactions among inter-authorized companies (forming consortium) can automatically be executed based on distributed consensus protocol over business logics pre-defined with program codes. A single BC system will be built across multiple management domains having different operational policies, e.g., data center of each organization; this will trigger a problem that its system operations (e.g., backup) will become costly due to the difficulty in unifying and/or adjusting operational policy such as procedures, timing, etc., among management domains. To solve the problem, we have developed an operations execution method for BC systems; a primary idea is to define operations as SC (called operational SC) so that unified and synchronized cross-organizational operations can be executed effectively by using BC-native features. Toward the production use of the proposed method, we also should solve the following issues: (a) to expand the scope not only to operational procedures but also to a series of operational processes (operational workflow) such as execution approval, schedule management, operational report, the evidence check, (b) to reduce the operational SC development cost for individual operational task. To solve the issues, in this report, we modeled a typical operational workflow of BC system, and designed the operational SC components applicable various operational processes by extracting common functions from the model. Reusing the common components could reduce operational SC development costs in a typical operational task scenario by 43%. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Permissioned Blockchain / Operations Management / Smart Contract / Hyperledger Fabric / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 118, ICM2018-18, pp. 41-46, July 2018. | |
| Paper # | ICM2018-18 | |
| Date of Issue | 2018-06-28 (ICM) | |
| 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 | ICM2018-18 |
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| Conference Information | |
| Committee | ICM |
| Conference Date | 2018-07-05 - 2018-07-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICM |
| Conference Code | 2018-07-ICM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Scope Expansions and Component-based Architecture Design of Operational Smart-Contract for Permissioned Blockchain System |
| Sub Title (in English) | |
| Keyword(1) | Permissioned Blockchain |
| Keyword(2) | Operations Management |
| Keyword(3) | Smart Contract |
| Keyword(4) | Hyperledger Fabric |
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| 1st Author's Name | Tatsuya Sato |
| 1st Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 2nd Author's Name | Yosuke Himura |
| 2nd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 3rd Author's Name | Jun Nemoto |
| 3rd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
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| Speaker | Author-1 |
| Date Time | 2018-07-06 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | ICM |
| Paper # | ICM2018-18 |
| Volume (vol) | vol.118 |
| Number (no) | no.118 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2018-06-28 (ICM) |
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