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Vehicular Ad Hoc Network (VANET) is a particular type of MANET providing various wireless communications such as infrastructure communications and inter-vehicle communications. Recently, VANET networks are attracting ample attention from the scientific and business community. In VANET networks, the textual data is almost negligible compared to the multimedia data that is interactive and expressive. Quality management of video streaming over the VANET environment is a complex task, given the specific constraints of multimedia data in terms of Quality of Service (QoS), security, system performance, and a random number of vehicles. This article discusses existing video streaming techniques in VANET networks by highlighting different QoS and Quality of Experience (QoE) metrics related to video streaming. A comparative study of video streaming models of literature on VANET is presented, taking …