Oleksandr Lemeshko received his Ph.D. in arms and military equipment in 1999 from Kharkiv Institute of the Air Force and DrSc in telecommunications in 2005 from Kharkiv National University of Radio Electronics. He is currently a Head of the V.V. Popovskyy Department of Infocommunication Engineering at the Kharkiv National University of Radio Electronics. He has co-authored over 340 publications. His research interests include Traffic Management, Optimization in Telecommunications, Wireless Networks, Routing, Traffic Engineering, Quality of Service, Quality of Experience, Hierarchical Routing, Network Security, Network Resilience, and Fault-Tolerant Routing.