V.G. Kartashevskij - Dr. Sc. (Eng.), Professor, Dean of Faculty, Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: kartash@psati.ru K.A. Bel\'skij - QA Analyst/Business Analyst, LLC «NetCracker» (Samara) E-mail: kirill.belskiy@my.com K.S. Slipenchuk - Deputy Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: slipenchuk-ks@psuti.ru