}}Digrais Moïse is a PhD student in computer science at the [https://inphb.ci/1/vues/accueil/ INP]<ref>https://inphb.ci/1/vues/accueil/</ref>[https://inphb.ci/1/vues/accueil/ -HB] of Yamoussoukro in Ivory Coast. Currently he is doing his researches within the laboratory [http://www.larit.ci/ LARIT]<ref>http://www.larit.ci/</ref> located in Abidjan Cocody Danga and his research topic is in the field of computer networks and more precisely on the optical networks and SDN networks