Mechanism for Ensuring the Reliability of Information System Objects

Elizaveta Bandurova, T. Omelchenko
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Abstract

It is difficult to imagine the functioning of modern society without information systems of various levels of complexity. Quality control of the functioning of systems is one of the main tasks that should be paid close attention to. One of the criteria for the quality of an information system is reliability, the better the system is, the more reliable it is, and vice versa. In this regard, the purpose of the study is to choose the most appropriate mechanism for ensuring the reliability of information systems. This article discusses the main mechanisms for ensuring the reliability of information system objects such as: error prevention, error detection, error correction, error tolerance; highlighted criteria for their evaluation such as: the ability to restore the initial state of the system, the ability to perform redundancy, fault tolerance, testing, complexity of implementation, the ability to eliminate errors at the stage of system design. The factors determining the occurrence of threats to the objects of information systems and security threats are analyzed. A comparative analysis of the mechanisms for ensuring the reliability of information system objects according to the selected criteria and analyzed factors is carried out. The formalized model, architecture and interface of the software are presented. A series of experimental studies has been carried out.
信息系统对象可靠性保障机制
如果没有各种复杂程度的信息系统,很难想象现代社会的运作。系统运行的质量控制是应密切关注的主要任务之一。信息系统质量的标准之一是可靠性,系统越好越可靠,反之亦然。在这方面,研究的目的是选择最适当的机制来确保信息系统的可靠性。本文讨论了保证信息系统对象可靠性的主要机制,如:防错、检错、纠错、容错;突出了它们的评估标准,例如:恢复系统初始状态的能力、执行冗余、容错、测试的能力、实现的复杂性、在系统设计阶段消除错误的能力。分析了决定信息系统对象和安全威胁发生的因素。根据所选择的标准和分析的因素,对保证信息系统对象可靠性的机制进行了比较分析。给出了软件的形式化模型、体系结构和接口。进行了一系列的实验研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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