Belgacem Bouallegue received his MSc in Physic Microelectronic, his DEA in Electronic Materials and Dispositifs and and the Doctorat de 3ème cycle in Electronics from the Science Faculty of Monastir, Tunisia, in 1998, 2000 and 2005, respectively. Currently, he is a Hdr student. His research interests include High Speed Networks, Multimedia Application, Network on Chip: NoC, flow and congestion control, interoperability, Security Networks implementation of standard cryptography algorithm, key stream generator and electronic signature on FPGA and performance evaluation. He is working in collaboration with Lab-STICC à Lorient Laboratory, Lorient Cedex France and LIP6, Laboratoire d'Informatique de Paris 6, Université Pierre et Marie Curie, UPMC - CNRS UA 7606, Département SoC, Systèmes Embarqués sur Puce, 4, place Jussieu; 75252 PARIS Cedex 05, France.