Abstract: “In today's fast moving world, trend of plug and play software and hardware is increasing and since the cloud is taking over the market there is high usage bandwidth consuming applications and hardware since loud is on internet and gets the applications or hardware connected real time plus having the facility or feature to update data real-time. So high availability and real time data processing paved ways of introducing new concept in network management that is Software Defined Networks (SDN). SDN are designed to curb down the challenge of traditional network. In this paper, we have discussed the advantages of software-defined networks and the challenges plus how they are addressed with this concept plus its scalability and reliability.”

Keywords: Software Defined Networks, SDN , Network, Fast Network