The article deals with Blockchain technology, namely with its aspect of forming distributed registries. It serves as the platform for creating and storing corporate information resources which need higher protection. A lot of marketing uproar on cryptocurrency is feeding the interest in employing this technology for to enable cryptocurrency operation. But not only this factor explains the technology success. Blockchain technology also favorably compares to classic centralized registries and databases. The article describes the journaling service of data computing processes and events system, both based on the Blockchain technology. We display all the advantages of the existing Blockchain types for developing corporate journaling systems. And we also show the use of such a system for medium and large organizations, allowing for their computational capabilities and potential for scaling and developing such a system.
For a wide range of tasks, especially in the field of software development, the use of modern platforms for virtualization and containerization of applications can significantly increase the density of computing nodes (virtual machines and containers) on the equipment. In addition, the use of CI and CD practices can save the working time of employees responsible for supporting such IT infrastructure. At the same time, specialists supporting such IT infrastructure should have a number of additional competencies. The purpose of this article is to analyze the cost of specialists supporting information systems built using virtualization technologies, cloud computing in the context of CI and CD practices. This article presents an analysis of all available relevant vacancies in Saint Petersburg and Moscow from the HeadHunter site. Also, the difference between the required competencies and the level of salaries of specialists supporting classical and virtualized, automated IT infrastructure is shown.
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