Scalable monitoring for multiple virtualized infrastructures for 5G services - Trakadas, Panagiotis; Panagiotis Karkazis; Leligou, H-C; Zahariadis, Theodore; Wouter Tavernier; Thomas Soenen; Steven van Rossem; Miguel Contreras Murillo, L (SoftNetworking 2018, The International Symposium on Advances in Software Defined Networking and Network Functions Virtualization, 2018)