Vehicular networks (sometimes called vehicular ad hoc networks or VANET) are spontaneous and unstructured, operating as a car moves around a city while interacting with other vehicles and infrastructure. This model of a network makes use of vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) models.
In 2004, the 802.11p task group formed and developed the first draft by April 2010. 802.11p is considered a Dedicated Short Range Communication (DSRC) within the US Department of Transportation. The goal of this network is to provide a standard and secure V2V and V2I system used for vehicular safety, toll collection, traffic status/warnings, roadside assistance, and e-commerce within a vehicle.
The topology ...