1. Advanced Network Architectures Laboratory (CRAAX), Universitat Politècnica de Catalunya (UPC), Vilanova i la Geltru, Barcelona, Spain
2. Eviden Research and Innovation, Barcelona, Spain
3. Department of Communication Networks, Technische Universität Braunschweig, Braunschweig, Germany
4. CNIT, University of Trento, Trento, Italy
5. Department of Port Management and Shipping, National and Kapodistrian University of Athens, Athens, Greece