In recent years, more and more popular use of cloud technology. They are used in business processes, web hosting, telecommunications services, in software development and testing, for private use and much more. The main advantage of using cloud technologies and the reason for their ubiquitous distribution is the lack of the need to have a powerful computing system for the end user, which unambiguously leads to a significant cost reduction for business or ordinary end users. In addition, the cloud services provider takes care of the work of the system and applications, provides technical support to users, installs updates on its own and upgrades the computing servers and storage servers. Thus, the user is less concerned with technical issues related to the operation of the system and he can focus on his goals.

As part of the cloud infrastructure, cloud storages can be distinguished.

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When in the distant 2001 the VMware ESXi hypervisor appeared on the market, a virtual revolution started that began the end of the era of personal computers with the programs installed on them. This event opened a new era in the development of computers and software – client-server technologies and cloud computing technologies.

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