Efficient Routing Protocol for IoT Networks based on Fog Computing and Routing Protocol of Low Power Lossy Networks

The Internet of things connects sensors and smart heterogeneous devices with each other using the internet. IoT networks enable the access of data at any place because everyone is using the internet. IoT networks are the backbone of communication because it is fast, accessible, and easy to use. IoT networks face various challenges that are security, routing, and connectivity but routing is one of the major challenges. The protocol named routing protocol for low power lossy networks (RPL) was developed for LLN by the internet engineering task force (IETF). There were various limitations in the RPL protocol for heterogeneous networks it selects an already selected parent that is congested, which leads to packet loss and due to which more energy is consumed for packet retransmission. Various researchers have proposed improvements in RPL protocols still careful consideration is required to design efficient routing protocols for IoT networks. This paper proposes a routing technique named FOG-RPL which is based on fog computing with a new objective function of routing protocol for LLN. This paper shows the simulation of the FOG-RPL routing protocol using the Cooja simulator in the Contiki operating system. The performance of the proposed protocol is analyzed and compared with the existing protocol. The comparison shows that the proposed protocol is 10% more efficient than the existing protocol in terms of end-to-end delay, energy consumption, and packet loss ratio.