On a BMAP=G=1 Retrial System with Two Types of Search of Customers from the Orbit -- Reliability Analysis of a Two-Server Heterogeneous Unreliable Queueing System with a Threshold Control Policy -- Heavy Outgoing Call Asymptotics for MMPP=M=1=1 Retrial Queue with Two-Way Communication -- Two-Server Queueing System with Unreliable Servers and Markovian Arrival Process -- On the Total Customers' Capacity in Multi-Server Queues -- On the Problems of Queues in Mixed Type Queuing Systems with Random Quantity of Sources and Size-Limited Queues -- Analysis of Perishable Queueing-Inventory System with Positive Service Time and (S - 1, S) Replenishment Policy -- Comparative Analysis of Methods of Residual and Elapsed Service Time in the Study of the Closed Retrial Queuing System M/GI/1//N with Collision of the Customers and Unreliable Server -- The Renewal-based Asymptotics and Accelerated Estimation of a System with Random Volume Customers -- Research of Heterogeneous Queueing System SMjM(n)j1 -- On Steady-State Analysis of [MjMjmjm + n]-Type Retrial Queueing Systems -- Analysis of Queueing Tandem with Feedback by the Method of Limiting Decomposition -- Combination of Queueing Systems of Different Types with Common Buffer: A Theoretical Treatment -- Minimization of Packet Loss Probability in Network with Fractal -- Optimization of Pipelining and Data Processing -- Performance Simulation of Non-Reliable Servers in Finite-Source Cognitive Radio Networks with Collision -- Research of Mathematical Model of Insurance Company in the Form of Queueing System in a Random Environment -- State Reduction in Analysis of a Tandem Queueing System with Correlated Arrivals -- Analyzing of Licensed Shared Access Scheme Model with Service Bit Rate Degradation in 3GPP Network -- Two-way Communication M/M/1/1 Queue with Server-Orbit Interaction and Feedback of Outgoing Retrial Calls -- The Comparison of Structured Modeling and Simulation Modeling of Queueing Systems -- A Sweep Method for Calculating Multichannel Queueing Systems -- Modeling End-to-End Business Processes of a Telecom Company with a BCMP Queueing Network -- The Multi-product Newsboy Problem with Price-depended Demand and Fast Moving Items -- Two-sided Truncations for a Class of Continuous-time Markov Chains -- Construction of the Stability Indicator of Wireless D2D Connection in a Case of Fractal RandomWalk of Devices -- Algorithm of Balance Equations Decomposition and Investigation of Poisson Flows in Jackson Networks -- Retrial Queue M/G/1 with Impatient Calls under Heavy Load Condition -- Analysis of the queueing system with resources and signals -- Inventory Management System with On/O_ Control of Input Product Flow -- Semi-Analytical Methods for Complex Optimization of Non-Markov Queueing Networks.