Information Technologies and Mathematical Modelling. Queueing Theory and Applications

On the Busy Period in a Finite-Source Retrial Queue with Outgoing Calls.- An Algorithmic Approach for the Analysis of Finite-Source M/GI/1 Retrial Queueing Systems with Collisions and Server Subject to Breakdowns and Repairs.- Available throughput of transport connection with selective repeat mode in the loaded data transmission path.- Artificial Regeneration Based Regenerative Estimation of Multiserver System with Multiple Vacations Policy.- On combining stochastic and deterministic models.- Estimation of the Probability Density Parameters of the IntervalDuration between Events in Correlated Semi-synchronous Event Flow of the Second Order by the Method of Moments.- Special retrial queues with state-dependent input rate.- Redundant Queueing System with Hysteresis Backup Server Connection Strategy.- The laws of conservation of ows in acyclic queueing networks.- Performance Analysis and Optimal Control for Queueing System with aReserve Unreliable Server Pool.- Study of a service process by a loop algorithm by means of a stopped random walk.- Resource queueing system MMP P (2,ni)|GI2| with parallel service of multiple paired customers.- Modelling of Virtual Radio Resources Slicing in 5G Networks.- A multiphase queueing model for performance analysis of a multi-hop IEEE 802.11 wireless network with DCF channel access.- Single Server Queues with Batch Poisson Input and Multiple Types of Outgoing Calls.- Refined Approximate Algorithm for Steady-State Probabilities of the Large Scale Queuing Systems with Instantaneous and Delayed Feedback.- Estimation of the Probability Density Parameters of the Interval Duration between Events in Correlated Synchronous Generalized Flow of the Second Order.- On a two-server queue with consultation in random environment.- Asymptotic Analysis of Retrial Queueing System M/GI/1 with Collisions and Impatient Calls.- Production Inventory System with PositiveService Time under Local Purchase.- On the Total Amount of the Occupied Resources in the Multi-resource QS with Renewal Arrival Process.-  Simulation of finite-source retrial queues with two-way communications to the orbit.- On the Geo/G/1 System.- Methods to Reduce Loss Probability in Systems with Infinite Service Time Dispersion.- On a queue with postponed work under N-policy.