and Pervasive Media research line and also of the Computer Communicationds and Networks (CCN) Laboratory. He received his PhD in Computer Communications from the University of Minho in 1996. He has several participations in R&D international projects on computer communications, protocols and Internet based services. He has authored or co-authored numerous scientific papers at international refereed Journals and Conferences (with some best paper awards). He has been Project Evaluator for International and National R&D funding institutions and has served a TPC member for several IEEE, ACM and IFIP sponsored international conferences. Alexandre J. T. Santos is member by invitation of the Academic Committee of the ”Magister en Redes de Datos”, Facultad de Informática, Universidad Nacional de La Plata (UNLP), Argentina and also member of the Scientific Advisory Board of the Research Centre CIICIPL, Centro de Investigação em Informática e Comunicações, Instituto Politécnico de Leiria, Portugal. Also a member of the Scientific Committee from the MAP-Tele joint PhD Program of the Universities of Minho, Aveiro and Porto.He is IEEE Senior Member from IEEE Computer Society and member of IEEE Vehicular Technology Society and IEEE Communications Society.