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Proposed solution is an extendible multi-domain core framework for wireless vehicular sensor network (WVSN). The key idea is providing a lightweight architecture as alternative to the typical vertical concept of domain specific ad-hoc solution: the more flexible horizontal approach assumes a core framework that can be particularized in function of considered application. Modern wireless sensor platforms are flexible smart nodes that provide relatively limited computation, storage, communication and sensing resource, ad-hoc designed for advanced networking. WVSN assumes nodes mounted on vehicles. Because limited resource that commonly characterizes WSN, protocols stacks and mechanisms are designed in accordance with a soft-state model in order to assure high-performance and robustness for time-critical messages in both vehicle-to-vehicle and vehicle-to-roadside interaction.