The Software-defined Networking (SDN) technology is still in its infancy. Since it is still evolving, it means different things to different people. It is like what the idea of Cloud Computing used to be; in the past, if you asked several different people what Cloud Computing means, you would have received several very different answers. Now, we have refined the definition of Cloud Computing and developed the specific technologies of Platform as a Service (Paas), Infrastructure as a Service (IaaS), and Software as a Service (SaaS).

Like Cloud Computing, SDN comprises many different technologies such as OpenFlow, Virtual Switching, and Data Center Network Fabrics. Because of this, there is no single answer to the question "What is Network Automation?". Every company has a unique network configuration (although with common elements), so every company will have a different need for their network automation. In fact, with the proper attention, this topic could be made...