TY CONF TI MICRO-SERVICE ARCHITECTURE AS A TOOL FOR INCREASING INFORMATION SYSTEM FAULT TOLERANCE KW microservice architecture KW monolithic architecture KW fault tolerance KW Docker KW Kubernetes KW RAG KW chatbot JO PROBLEMS AND PROSPECTS IN SYSTEMS AND PROCESS MODELING AU Litvinov, A.I. AU Oksyuta, O.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov