High Reliability in Autonomous Decentralized IC Card Ticket System

Shiibashi, Akio; Mashiba, F.; Möri, K.

doi:10.1109/icdcsw.2006.60

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…Similar method can be applied to high reliability and assurance to discuss quantitatively: Models and quantification for high reliability and assurance are taken into further consideration [15].…”

Section: Resultsmentioning

confidence: 99%

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High-speed processing in wired-and-wireless integrated autonomous decentralized system and its application to IC card ticket system

Shiibashi

Mizoguchi

Möri

2007

Innovations Syst Softw Eng

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The automatic fare collection systems need both high performance and high reliability. High performance is one of the most expected functions on the automatic fare collection gates (AFCGs) handling the highly dense passengers during rush hours. Reliability is also indispensable because the tickets are equivalent to money. For a wireless IC card ticket system, expected to improve the passengers' convenience and to reduce the maintenance cost, is difficult to meet these two requirements because of wireless communications between an IC card and an AFCG. This paper introduces the autonomous decentralized system as the solution and how it is applied to the system. Then, two models are prepared and simulated to evaluate the efficiency, especially highspeed processing. The technologies are implemented into the "Suica" system at East Japan Railway Company and have proven the effectiveness.

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Section: Resultsmentioning

confidence: 99%

“…On application of the "Suica" system at East Japan Railway Company, other technologies for high reliability and assurance [7] are also equipped, which are mentioned in another paper [15].…”

Section: Introductionmentioning

confidence: 99%

High-speed processing in wired-and-wireless integrated autonomous decentralized system and its application to IC card ticket system

Shiibashi

Mizoguchi

Möri

2007

Innovations Syst Softw Eng

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“…Based on this Autonomous Decentralized Architecture, two technologies have been introduced: "Autonomous Decentralized Algorithm on Fare Calculation" for high performance [6] and "Autonomous Decentralized Data Consistency Technology (ADDCT)" for high reliability [7]. This paper introduces Multi-layered Data Consistency Technology (MLDCT), more efficient use of ADDCT and then simulates the models to determine the most effective structure.…”

Section: Introductionmentioning

confidence: 98%

Multi-layered Data Consistency Technology in Autonomous Decentralized IC Card Ticket System

Shiibashi

Maruyama

Yamana

et al. 2007

27th International Conference on Distributed Computing Systems Workshops (ICDCSW'07)

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High-load transaction systems such as the IC (Integrated Circuit) Card Ticket System require high performance, high reliability, and service continuity. However, the wireless communications have a problem that higher performance at the gates results in lower reliability in the data. The solution is the Autonomous Decentralized Architecture, in which "IC cards," "terminals," and a "center server" are designed as the autonomous nodes. Based on the architecture, two technologies have been introduced: "Autonomous Decentralized Fare Calculation Algorithm" for high performance and "Autonomous Decentralized Data Consistency Technology" for high reliability. This paper looks into the Multi-layered Data Consistency Technology which assures service continuity, using heterogeneous data fields with various time ranges. Appropriate values are considered through theorization, modeling, and simulation.These conditions are used in the practical "Suica" system at East Japan Railway Company and the system is running satisfactory, without any fatal errors.

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Aiming to Realize a Smart Society and Seamless Mobility with ICT: JR-EAST’s Challenge for Business Innovation

Suzuki

2020

Business Innovation With New ICT in the Asia-Pacific: Case Studies

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High Reliability in Autonomous Decentralized IC Card Ticket System

Cited by 4 publications

References 3 publications

High-speed processing in wired-and-wireless integrated autonomous decentralized system and its application to IC card ticket system

High-speed processing in wired-and-wireless integrated autonomous decentralized system and its application to IC card ticket system

Multi-layered Data Consistency Technology in Autonomous Decentralized IC Card Ticket System

Aiming to Realize a Smart Society and Seamless Mobility with ICT: JR-EAST’s Challenge for Business Innovation

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