Sustainable Development in the Global Information Space -- Enhancing Resource Availability: Indicators and Strategies for Optimiz-ing the Kubernetes Network -- Enhancing Application Layer Multicast using Multi-Objective Optimiza-tion Techniques -- Possible Ways of Determining the Characteristics of Network Traffic for Identification of Required External Connection Line Rate for a Specific Object -- A Research Method of Software-Defined Networks Asymptotic Properties with Markov Intrusion of Randomness -- Mathematical Model for Evaluation of Interference Dispersion for 5G Mobile Communication Systems -- Method Radio Resource Allocation in Cognitive Radio Network -- Features of Message Transport Service in Automated Special-Purpose Systems -- QoS-Aware Adaptation Traffic Engineering Solution for Multipath Rout-ing in Communication Network -- Impact of LoRaWAN Operational Parameters on Energy Efficiency and Ways to Improve it.