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VANET has become an active area of research, standardization, and development because it has tremendous potential to improve vehicle and road safety, traffic efficiency, and convenience as well as comfort to both drivers and passengers lot of VANET research work have focused on specific areas including routing, broadcasting, Quality Of Service (QOS),and security. In a network environment in which the communication medium is shared, highly unreliable, and with limited bandwidth, smart communication protocols must guarantee fast and reliable delivery of information to all vehicles in the vicinity. In VANET, several reliable broadcasting protocols have been proposed such as EAEP, AckPBSM DV-Cast, DECA and POCA. These protocols employ store- and forward Technique to address the intermittent-connectivity issue.
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