5G ready optical fog-assisted cyber-physical system for IoT applications

Abstract

Cloud services supported by the cyber-physical system (CPS) have been emerged as a proactive and efficient solution to facilitate the alliance of IoT devices. The CPS assimilates, analyses and shares the processed information among IoT applications. The traditional network infrastructure is not designed to support the increasing demand for high scalability and real-time delivery with ultra-low delay. The proposed system addresses these issues by utilising the optical resources as fog nodes and software-defined networking in the 5G network. A scalable OpticalFog node is proposed that creates the cyberspace near the IoT devices, thus providing an ultra-low delay, minimising the energy consumption. Moreover, for providing service assurance to the various CPS-based applications, an algorithm is proposed to place the task in the software-defined networking. Finally, the performance of the algorithm is evaluated through the simulation in iFogSim toolkit that is used to implement the OpticalFog node in the 5G environment. The results showed the effectiveness of the proposed system.