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Vehicular Ad Hoc Network (VANET) is a type of mobile ad hoc network (MANET)that facilitates communication among vehicles. VANET provides inter-vehicularcommunications to serve for the application like road traffic safety andtraffic efficiency. Infotainment service has been an anticipating trend inVANETs, and video streaming has a high potential in VANET. Although, thisemerging technology is trending, there are still some issues like QoSprovisions, decentralized medium access control, node coverage area, andfinding and maintaining routes due to highly dynamic topology. These issuesmake multicast communication difficult in VANETs. Numerous routing protocolsand routing strategies have been projected to cope with these issues. Lots ofwork has taken place to assess and measure the performances of these protocolsin VANETs but these protocols are rarely analyzed for performance under stressof real time video multicast. In this study two different multicast routingprotocols viz. Multicast Ad hoc On Demand Distance Vector (MAODV) and Protocolfor Unified Multicasting through Announcements (PUMA) are evaluated forfacilitating video streaming in VANETS. The protocols are examined against theQoS parameters such as Network Throughput, Packet Delivery Ratio (PDR), Averageend to end Delay, and Normalized Routing Load (NRL). Variable Bit Rate (VBR)traffic is used to evaluate the performances of protocol. PUMA, at the end,showed better performance against different QoS provisions in differentscenarios

Performance Evaluation of Ad Hoc Multicast Routing Protocols to Facilitate Video Streaming in VANETS