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10th IEEE High Assurance Systems Engineering Symposium (HASE'07)
Multi-layered Data Consistency Technology, An Enhanced Autonomous Decentralized Data Consistency Technology for IC Card Ticket System
Dallas, Texas, USA
November 14-November 16
ISBN: 0-7695-3043-5
ASCII Text
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Akio Shiibashi, Tsuyoshi Nakaniwa, Motoharu Yamana, Kinji Mori, "Multi-layered Data Consistency Technology, An Enhanced Autonomous Decentralized Data Consistency Technology for IC Card Ticket System," High-Assurance Systems Engineering, IEEE International Symposium on, pp. 219-226, 10th IEEE High Assurance Systems Engineering Symposium (HASE'07), 2007.
 
 
BibTex
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@article{ 10.1109/HASE.2007.59,
author = {Akio Shiibashi and Tsuyoshi Nakaniwa and Motoharu Yamana and Kinji Mori},
title = {Multi-layered Data Consistency Technology, An Enhanced Autonomous Decentralized Data Consistency Technology for IC Card Ticket System},
journal ={High-Assurance Systems Engineering, IEEE International Symposium on},
volume = {0},
year = {2007},
issn = {1530-2059},
pages = {219-226},
doi = {http://doi.ieeecomputersociety.org/10.1109/HASE.2007.59},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - CONF
JO - High-Assurance Systems Engineering, IEEE International Symposium on
TI - Multi-layered Data Consistency Technology, An Enhanced Autonomous Decentralized Data Consistency Technology for IC Card Ticket System
SN - 1530-2059
SP219
EP226
A1 - Akio Shiibashi,
A1 - Tsuyoshi Nakaniwa,
A1 - Motoharu Yamana,
A1 - Kinji Mori,
PY - 2007
KW - null
VL - 0
JA - High-Assurance Systems Engineering, IEEE International Symposium on
ER -
 

Service continuity, high performance, and high reliability are required in automatic fare collection systems. To comply with these requirements, the Autonomous Decentralized Architecture has been introduced to the IC (Integrated Circuit) Card Ticket System. Based on the architecture, two technologies have been implemented: "Autonomous Decentralized Fare Calculation Algorithm" for high performance and "Autonomous Decentralized Data Consistency Technology" for high reliability.

This paper introduces "Multi-layered Data Consistency Technology." This technology enhances the Autonomous Decentralized Data Consistency Technology by piling up the processes at each layer of nodes configured in the system. Various configurations with various intervals are simulated to determine the appropriate settings for optimization. The settings are used in the practical "Suica" system at East Japan Railway Company, and the system has been running satisfactorily, without any fatal errors.

Citation:
Akio Shiibashi, Tsuyoshi Nakaniwa, Motoharu Yamana, Kinji Mori, "Multi-layered Data Consistency Technology, An Enhanced Autonomous Decentralized Data Consistency Technology for IC Card Ticket System," hase, pp.219-226, 10th IEEE High Assurance Systems Engineering Symposium (HASE'07), 2007
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