 chapter is using Cisco SDN way of managing, administering, maintaining & implementing platforms using an external tool. This chapter will also discuss the controller API structures, Management Model of the controller and using POSTMAN tool to push API requests and talk to the APIC Controller. Chapter also discussed some of the important APIC EM applications like Plug and Play (PnP), Easy Quality of Service, IWAN, etc. The seventh chapter presents the simulation of software defined network with Mininet simulators. Mininet is a stage for working extensive systems on the less assets of a finest single little framework or Virtual Machine. Mininet is made for initiating research in Software Defined Networking (SDN) and OpenFlow. Mininet is permits executing of predefined code intuitively on virtual equipment machine on a basic PC. Mininet gives an accommodation and authenticity at less cost. The auxiliary to Mininet is equipment test beds which are quick, precise yet extremely costly and shared. The other alternative is to utilize Mininet test system which is low cost yet some of the time moderate and require code substitution. Mininet gives convenience, execution precision and versatility. The eight chapter presents practical application of network function virtualization. This chapter is focused on the traditional Network architecture limitations with Network Function Virtualization (NFV) Benefits. Discussion of NFV Architecture & Framework as well as Management and Orchestration has been discussed in this chapter. Cisco VNF Portfolio and Virtual Network Functions Implementation is included with Software Implementation of the architecture of Network Function Virtualization. Management & Orchestration functional layers as per ETSI Standard. Challenges in NFV implementation is also a concern today which is a part of this chapter. Downloaded: 4/15/2022 9:44:49 AM Nova Southeastern University IP Address: 137.52.76.29 Preface The ninth chapter discusses about quality of services (QoS) in software defined network and its