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Internet access from vehicular networks is a very promising subject that needs to be investigated from the research community. Vehicles should be able to connect to the Internet, and provide drivers and passengers with a high number of services that need communication through gateways. Existing discovery protocols in VANets did not focus on secure gateway discovery in particular, but they considered the discovery of secure services in general. In this paper, the authors propose a secure hybrid adaptive gateway discovery and communication system for VANets that they call SEGAL. Their proposed SEGAL protocol aims to provide an efficient and secure gateway advertisement and discovery process for VANets.
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