自治分散多层数据一致性技术及其应用

Hidehiko Nagase, Motoharu Yamana, K. Mori, A. Shiibashi
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引用次数: 0

摘要

随着用户和系统需求的多样化,控制与信息系统的集成变得越来越重要。在这些系统中,需要保证实时控制的高性能和交易过程的高可靠性。然而,在高负载事务条件下,传统的集中式系统在实时处理过程中难以实现数据一致性。本文提出了一种基于不同数据一致性处理时间的异构“数据场”的“自治分散多层数据一致性技术”(ADMLDCT)。系统中同时存在一致性数据和不一致性数据。在该技术中,每一层根据数据停留时间的不同,自主地使数据保持一致,并与其他层进行协作。这样既可以提高不一致数据的恢复,又可以提高各层的拥塞。这些技术已在东日本铁路公司的集成电路卡票务系统中得到应用,证明了该技术的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Autonomous Decentralized Multi-layered Data Consistency Technology and its application
With the diversification of users and systems requirements, the integration of control and information systems has become more and more important. In these systems, assurance is required to achieve high performance of real-time control and high reliability of the transaction process. However, in high load transaction conditions, it is difficult for conventional centralized systems to achieve data consistency during real-time processing. In this paper, “Autonomous Decentralized Multi-layered Data Consistency Technology (ADMLDCT)”is proposed, which is based on heterogeneous “Data Fields (DFs)”with different process times of data consistence. The consistent data and inconsistent data coexist in the system. In this technology, each layer autonomously makes data consistent and cooperates with other layers according to the different stay time of data. As a result, both the recovery of inconsistent data and congestion of each layer can be improved. These technologies have been applied to the IC (Integrated Circuit) Card ticket system of East Japan Railway Company, where the effectiveness of the technology has been proved.
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