SENIOR Member of IEEE and HEAD Professor at the Federal University of Ceará. GRADUATE in Civil Engineering from the Federal University of Ceará (1984), MASTERS in Computer Science from the Federal University of Paraíba (1989), Campina Grande campus, DOCTORATE in Informatique – Universite de Paris VI (Pierre et Marie Curie) (1994) , France, and developed SENIOR POST-DOCTORATE activities (2008-2009) at the LNCC-National Laboratory of Scientific Computing, Petrópolis, Rio de Janeiro. Senior Editor on the editorial board of the Journal of Network and Computer Applications (ISSN: 1084-8045, Elsevier). Effective member of the editorial board of the journals (Elsevier) Computer Communications (ISSN: 0140-3664) and Computer Networks (ISSN: 1389-1286) and International Journal (Wiley InterScience) of Network Management (ISSN: 1099-1190). He has experience in the area of Computer Science, with an emphasis on Teleinformatics, working mainly on the following topics: computer networks, network management, information systems, grids and computational clouds. Member of the Board of Directors of LARC-National Laboratory of Computer Networks from 1999 to 2005 and its representative on the Board of Directors of the RNP – AsRNP Association from 2000 to 2005. Guest professor at the University of Versailles Saint Quentin en Yvelines (France, 2001) , University of Paris Nord (Paris XIII) (France, 2005, 2006, 2008 and 2009), University of Ottawa (Canada, 2007), University of Evry Val d'Essonne (France, 2011) and CNRS guest researcher at the University of Bordeaux I (France, 2010). Brazilian representative at IFIP/TC6 (Communication Systems) from 1999.