The article presents the results of a study on modeling cloud systems. In this research, the
authors developed both analytical and simulation models. System analysis was conducted …

Cloud computing has become a major component of the modern IT ecosystem. A key
contributor to this has been the development of Infrastructure as a Service (IaaS) …

The large popularity of services offered by cloud computing (CC) requires constant
expansion of its physical infrastructure. At the same time, CC operators apply various …

Virtualization technologies are being actively used to design infrastructure of cloud
computing systems. In this case applications can be duplicated and hosted in different virtual …

The article presents a new approach to assessing the average response time of a cloud
computing system and its dispersion. A fork-join system or a system with request splitting …

For cloud systems a set of stochastic models taking account of system context actualization
is proposed. These models are based on queueing theory and extend its applications by …

The paper dwells upon preparing and verifying mathematical models of virtualized
computational systems (CS). Today, virtualization and virtual machines are among the most …

Effective Utilization of Resources and throughput computation is an important consideration
in using cloud resources. Each resource is allocated by the tasks and each resource has …

This article addresses the challenges of a digital cloud environment when it comes to global
scalability with a large number of remote servers and an unsecure public cloud, such as …

This paper presents the use of machine learning algorithms to analyze the behaviors of
users working in a distributed computer environment. The objective consists in …