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The article discusses current issues of virtualization of the network infrastructure of educational institutions. A new approach to creating a cloud virtualization environment for the network infrastructure of educational institution has been proposed. It is based on the joint use of virtualization technologies and software-defined networks. Virtual network infrastructure is a combination of technologies and architectural solutions. It provides users with mobility during an ongoing educational process, secures access to cloud information resources of the wireless virtual network of an educational institution and centralized Internet access control. A prototype of the virtual network infrastructure of the Belarusian State University has been built. The prototype implements a model that includes virtual network segments (subnets), with which services are provided to end users, and virtual segments that provide presentation of service functions. Virtualization technologies and software-defined networks allow to unify the process of creating network infrastructure, to scale the resources provided on demand with minimal organizational and technical costs, and to adapt the virtual infrastructure to the requirements of a particular educational institution. The proposed model using virtual network segments has been implemented in the data processing center of the Belarusian State University. To create a cloud environment, the solution based on OpenStack was chosen. The basis of the virtualization environment is cloud services, which provide the implementation of the functionality of a virtual network infrastructure.
Kochyn et al. (Sat,) studied this question.