Abstract
The object of research is a critical IT infrastructure. One of the most problematic places in the study of critical IT infrastructures is the complete lack of approaches, methodology and tools for designing, modeling and researching critical IT infrastructures that could be used in the form in which they are offered.On the basis of expanded open hybrid automata, an approach is proposed that will allow to compactly describe the components, critical IT infrastructure systems and their interrelations, both internal and external. Its peculiarity is the use of an extended set of parameters, which makes it possible to provide probabilistic and qualitative features to models of components and systems of a critical IT infrastructure.In the course of the research, the Matlab software package is used, which allows to check the proposed approach and models for workability.The resulting models are fairly compact and completely reflect the necessary logic of the work of the relevant components and critical IT infrastructure systems. It is shown that this is achieved due to the flexibility of the proposed mathematical apparatus, namely the possibility of creating compositions from simple models for the formation of more complex ones.In the future, the proposed approach and the creation of a library of models for all major systems and critical IT infrastructure components will provide a convenient tool for a wide range of researchers whose work is related to all aspects of researching critical IT infrastructures.
Highlights
IntroductionThe creation of critical IT infrastructures is an integral part of the development of key industries that are vital for ensuring the safety and functioning of the society
To date, the creation of critical IT infrastructures is an integral part of the development of key industries that are vital for ensuring the safety and functioning of the society.The existence of a critical IT infrastructure is closely related to the notion of a critical infrastructure – an infrastructure critical for the state, the abandonment or destruction of which can have a materially negative impact on national security.Currently, Ukraine is only beginning to develop such global management complexes, some industries already have developed IT infrastructure, for example, dispatching systems for transport management, energy facilities.That is why the development of new approaches, methods and algorithms for creating, analyzing, monitoring, ensu ring the quality and reliability of operation, the security of critical IT infrastructures is a very urgent problem.2
A critical IT infrastructure must: – ensure the functioning of environmentally hazar dous and socially significant production and technological processes, the violation of the regular mode of which can lead to an emergency situation of anthropogenic nature; – perform the functions of an information system, the violation of which may lead to negative consequences in the political, economic, social, information, environmental and other fields; – ensure the provision of a significant amount of information services, partial or complete suspension of which can lead to significant negative consequences for national security in many sectors
Summary
The creation of critical IT infrastructures is an integral part of the development of key industries that are vital for ensuring the safety and functioning of the society. The existence of a critical IT infrastructure is closely related to the notion of a critical infrastructure – an infrastructure critical for the state, the abandonment or destruction of which can have a materially negative impact on national security. Ukraine is only beginning to develop such global management complexes, some industries already have developed IT infrastructure, for example, dispatching systems for transport management, energy facilities. That is why the development of new approaches, methods and algorithms for creating, analyzing, monitoring, ensu ring the quality and reliability of operation, the security of critical IT infrastructures is a very urgent problem
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