TY CONF TI REQUIREMENTS FOR THE BACKEND IN CLOUD SERVICES DEALING WITH BIG DATA KW cloud computing KW big data KW backend KW scalability KW fault tolerance KW performance KW security JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES AU Zlobin, E.A. AU Chernyshova, E.V. AU Skvortsova, T.V. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov