18Th Ifip Wg 6.1 International Conference on Distributed Applications and Interoperable Systems (Dais) Held as Part of the 13Th International Federated Conference on Distributed Computing Techniques (Discotec), Date: JUN 18-21, 2018, Location: Madrid, SPAIN, Patrocinadores: Int Federat Informat Proc Working Grp 6 1, Int Federat Informat Proc