Distributed Systems Applications -- Influence of Access Points' Height and High Signal Relation in WLAN Fingerprinting-Based Indoor Positioning Systems' Accuracy -- Revolutionizing H2M Interaction: Telepresence System Enabling Sign Language Expansion for Individuals with Disabilities -- Efficient Transmission of Holographic Images: A Novel Approach Toward 6G Telepresence Services -- The simulation of finite-source retrial queues with two-way communication to the orbit, incorporating a backup server -- On Real-time Model Inversion Attacks Detection -- Distributed system for scientific and engineering computations with problem containerization and prioritization -- Overview of research works on applications of UHF RFID on vehicles for data transmission -- On the identification of a finite automaton by its input and output sequences in case of distortions -- Analysis of tethered unmanned high-altitude platform reliability -- Analytical Modeling of Distributed Systems -- Information Spreading in Non-homogeneous Evolving Networks with node and edge deletion -- Comparative analysis of a resource loss system with the finite buffer and different service disciplines -- Batch Service Polling System: Mathematical Analysis and Simulation Modeling -- Analysis of the queueing system describing a mobile network subscriber's processing under varying modulation schemes and correlated batch arrivals -- Analysis of queuing systems under N policy with different server activation strategies -- On Asymptotic Insensitivity of Reliability Function of a 2-out-of-n Model Under Quick Recovery of its Components -- On the variance reduction methods for estimating the reliability of the multi-phase Gaussian degradation system -- Multiphase queuing system of blocking queues and a single common orbit retrial queue with limited buffer -- Analysis of Procedures for Joint Servicing of Multiservice Traffic in Access Nodes -- Recovery of real-time clusters with the division of computing resources into the execution of functional queries and the restoration of data generated since the last backup -- Numerical Study of Queuing-Inventory Systems with Catastrophes under Base Stock Policy -- A Machine-Learning Approach To Queue Length Estimation Using Tagged Customers Emission -- Analysis of Probabilistic Characteristics in the Integrated Access and Backhaul System -- Myopic Inventory Control with Returns in Case of Uncertainty: Adaptive Algorithms -- Estimating the Distribution Parameter of Non-Prolonging Random Dead Time Duration in Recurrent Semi-Synchronous Events Flow through Maximum Likelihood -- Stochastic Modelling for Energy Efficiency in LTE-A and LTE-5G Networks -- Analyzing reliability metrics of all-optical switches -- Investigating transient behavior of all-optical switch -- Approbation of Asymptotic Method for Queue with an Unlimited Number of Servers and State-Dependent Service Rate -- Computer and Communication Networks -- Risk management in the design of computer network topology -- Age of Information Performance of Ultra Reliable Low Latency Service in 5G New Radio Networks -- On the classification of cytological images of leukocytes using depthwise separable convolutional neural networks -- Utilization of Machine Learning Algorithms to Identify User Applications -- Blockage Attenuation and Duration over Reflected Propagation Paths in Indoor Terahertz Deployments -- On the Automated Text Report Generation in Open Transport Data Analysis Platform -- Developing a traffic analysis suite for modified packet capture file -- On heuristic algorithm with greedy strategy for the Correlation Clustering problem solution -- Decoding of product codes in discrete and semi-continuous channels with memory -- Minimizing the peak age of information in LoRaWAN system based on the importance of information -- Precoder for Proportional Fair Resource Allocation in Downlink NOMA-MIMO Systems -- Surrogate Models for the Compressibility Factor of Natural Gas -- Numerical Evaluation of the Optimal Precoder Design with Delayed CSI.

This book constitutes the refereed proceedings of the 26th International Conference on Distributed Computer and Communication Networks: Control, Computation, Communications, DCCN 2023, held in Moscow, Russia, during September 25-29, 2023. The 37 full papers and 4 short papers included in this book were carefully reviewed and selected from 122 submissions. They were organized in topical sections as follows: Distributed Systems Applications; Analytical Modeling of Distributed Systems; Computer and Communication Networks.