The emerging technologies of IoT (Internet of Things), SDN (Softwar Defined Networking), and NFV (Network Function Virtualization) have great potential for the information service innovation in the Cloud and big data era. In this paper, we study the architecture models of IoT, SDN with NFV implementation. We present a general SDN-based IoT framework with NFV implantation in order to take advantages of SDN and NFV and help for the design of IoT architecture.