Impacts of Objective Function on RPL-Routing Protocol: A Survey

Over the most recent couple of years, the Internet of Things (IoT) has end up being an intriguing and promising worldview that means to add to endless applications by interfacing more physical “things” to the Internet. The Internet Engineering Task Force (IETF) created RPL as the routing protocol for low power and lossy networks (LLNs). RPL (Routing Protocol for Low-Power and Lossy Networks) is a routing protocol for remote sensors with low power consumptions and is flexible to handle. To be useful in various applications of LLN, RPL isolates packet handling and sends information from the same routing objective. In this paper, we mainly focus on analysis and studying existing RPL routing protocol and performance is carried out using Contiki OS. Furthermore, the existing RPL objective function (MRHOF and OF0) are analysis under different metrics such as Packet Delivery, average delay and energy consumption conducted over Cooja with Z1 mote. Finally the result helps in better understanding of the existing objective functions and their performance towards the RPL protocol. This analysis will be useful in providing guidelines for improving the RPL protocol in future works.