7Th International Conference on Simulation Tools and Techniques, Simutools 2014, Date: 17 March 2014 through 19 March 2014, Patrocinadores: The Center for Research and Telecommunication Experimentation for NETworked Communities (CREATE-NET);The Centre for Informatics and Systems - University of Coimbra (CISCU);The Institute for Computer Science, Social Informatics, and Telecommunications Engineering (ICST)