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Research Article Open Access
The number of vehicles have increased on road recently has increased the possibilities of potential threats and road accidents. The deployment of the vehicles with the communicating on board unit has become a necessity so that the vehicles may communicate with each other and prevent the potential threats up to a certain level. VANETs (Vehicular AD-HOC Networks) are the most important and one of major popularity gaining sector in ADHOC networks because it has the significant potential to enable vast applications associated with safety, efficiency and many more application of traffic. In these networks MAC (Medium Access Control) protocols are responsible for coordinating the access from the active nodes. In this paper we introduced the basic protocols used in VANETs to provide the overview by giving brief description based on their principles and underlying features. Also various advantages and disadvantages of the protocols are focused in this paper.