Quality of Service has long been the focus of communications researchers worldwide. Since 1993, IWQoS has established itself as a highly reputable forum to present novel ideas on all QoS-related subjects. IWQoS 2020 sets the goal to continuing to be a premier symposium and an international forum for presentation and discussion of cutting-edge research in the field. The scope of IWQoS 2020 covers both newest theoretical and experimental research papers.