TY CONF TI MODELING THE RESILIENCE OF DISTRIBUTED INFORMATION SYSTEMS UNDER PARTIAL NODE LOSS KW distributed systems KW resilience KW node loss KW Markov models KW fault tolerance JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Alekseev, V.R. AU Getmantsev, D.D. AU Karlov, S.E. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov