This paper focuses on routing for vehicles getting access to infrastructure either directly or viamultiple hops through other vehicles.\nWe study routing protocol for low-power and lossy networks (RPL), a tree-based routing protocol designed for sensor networks.\nMany design elements from RPL are transferable to the vehicular environment. We provide a simulation performance study of\nRPL and RPL tuning in VANETs. More specifically, we seek to study the impact of RPL�s various parameters and external factors\n(e.g., various timers and speeds) on its performance and obtain insights on RPL tuning for its use in VANETs. We then fine tune\nRPL and obtain performance gain over existing RPL.
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