Computer Networks 26th International Conference, CN 2019, Kamień Śląski, Poland, June 25-27, 2019, Proceedings - Gaj, Piotr; Gaj, Piotr; Sawicki, Michał; Sawicki, Michał; Kwiecień, Andrzej; Kwiecień, Andrzej (Springer International Publishing : Imprint: Springer, 2019)