Software-defined WAN optimization is a modern method to create, install and control a network and its services. SD WAN optimization distinguishes between the network management, forwarding planes and offers an organized way of the shared systems for more supervision of network services. SD ensures that different control system is used for a network that allows policy-based functions to manage the location where a particular network goes to. SD seeks to develop a software-based method of networking for active and unique networks that better align and support the overall IT objectives of the business. SD also uses the application to optimize network traffic, and it leverages on application program interfaces.