The P2P-RPL Routing Protocol Research and Implementation in Contiki Operating System

The IETF Routing Over Low-power and Lossy Networks working group has recently proposed the IPv6 Routing Protocol for Low power and Lossy Networks (RPL). Compared to most other routing protocols, the RPL protocol makes the smaller routing state. RPL(Routing Protocol for Low-power and Lossy Networks) basically requires that all communication paths go through a central router (the sink), but it is not the optimal path in some cases. For instance, Home and Building Automation. In order to alleviate this, an extension of the protocol is proposed based on a reactive scheme that can provide shorter paths on-demand, without necessarily going through the sink. That is p2p-rpl. This paper then evaluates this extension via Simulation on the contiki running RPL and its extension over IEEE 802.15.4 radio. These experiments confirm that the extension provides substantially shorter paths.