10/16/2023 Simulation and characterization of traffic on drive me route around gothenburg using sumoRead NowIn addition, open research challenges and future research directions were issued. The authentication schemes and comprehensive applications were introduced and analyzed in detail. All the security attacks in VANETs and their related countermeasures are discussed with respect to ensuring secure communication. In sum, this survey fills the gap of existing surveys and summarizes the latest research development. Lastly, we identified the open research challenges and gave future research directions. Third, we discussed the latest simulation tools and the performance of the authentication schemes in terms of simulation tools, which was followed by the VANET applications. Then, we comprehensively reviewed the authentication schemes that can protect vehicular networks from malicious nodes and fake messages. Second, we presented the threats and attacks and the recent state-of-the-art methods of the VANET security services. In this survey, we discussed the basic overview of the VANET from the architecture, communication methods, standards, characteristics, and VANET security services. VANET has drawn significant attention from the wireless communication research community and has become one of the most prominent research fields in intelligent transportation system (ITS) because of the potential to provide road safety and precautionary measures for the drivers and passengers. Vehicular ad hoc networks (VANETs) are an emerging type of mobile ad hoc networks (MANETs) with robust applications in intelligent traffic management systems.
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