SOFTWARE-DEFINED NETWORKS…A GENERAL SURVEY AND ANALYSIS

Technology of Software-defined networks is rapidly evolving in order develop the networks world, hence to provide better connectivity, agility and security to defend the world of cyber information against the ever-evolving security threats and challenges.  This article is totally dedicated for beginners in both the IT world generally and the SDN world specifically as well. Through software-defined networking we can enter a new era of portable network management interface simply by using a mobile app or your smart watch, which gives a great deal of smoothness for network administration, and simplifies the IT tasks, but on the other hand it loads the stack of cyber security challenges with new ones.