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The problems discussed in the article are mainly related to the provision of specified performance and reliability indicators of projected software packages for ship information systems through a structural approach to the main stages of the software life cycle. The relevance of this class of software is determined by the wide spread of such systems. Distinctive features of the software package, for ship information systems, are their large information and logical complexity, significant amounts of programs, work in a limited amount of computing resources, with high demands on the efficiency and reliability of their operation, as well as the pronounced industrial and technical nature of the software at all stages of the life cycle. The main problem associated with the creation of complex software systems is to increase the reliability of programs. One of the most promising ways to solve the problem is the implementation of a detailed regulated technological process. At the same time, the necessary level of regulation is achieved as a result of the structural approach to ensuring reliability at different stages of software life. Among the known ways to improve the reliability of software in this article, special attention is paid to the progressive methods of creating programs and the extensive use of automation tools. Because the underlying technology and its instrumental support is a structural approach to software development. The role and influence of the corresponding structural methods on reliability characteristics of the software functioning is shown. In general, the structural approach allows to increase the efficiency of work with software based on the implementation of the three provisions; ordering and unification of the structural construction of the software complex; ordering the work to eliminate errors; creation of conditions for effective application of technology of assembly programming on the basis of software reserve.

vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s. o. makarova/vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s.o. makarova

STRUCTURAL APPROACH TO IMPROVING THE RELIABILITY OF THE SOFTWARE OF INFORMATION SYSTEMS