BENREGUIA Badreddine has received the engineering degree in the computer science from the university of Batna in 2005, and the Magister degree from the university of Béjaia in 2008. He worked at the Superior School of Transmissions, Kolea (2008-2009), and then, has been designated as an assistant-professor at the computer science department in the university of Sétif (2010-2018). Currently, He is the Head of the Computer Science Department at the university of Batna 2. His research interests include graph theory, especially self-stabilization for distributed systems and propagation in networks.