In this book, we analyze information dissemination in the context of vehicle-to-vehicle communication in vehicular ad hoc networks (VANETs). In order to inform cars about current traffic situations in a city scenario, information needs to be spread in the whole network. By analyzing the interaction between high node mobility, road topology and radio characteristics of this network we identify the two major challenges of information dissemination in VANETs: i) limited connectivity and ii) limited bandwidth. We tackle the first challenge by positioning additional infrastructure-based supporting units. In oder to approach the second challenge, we propose different aggregation mechanisms. These aim to minimize the amount of data transmitted in the network. It allows thus to inform all vehicles in the network in due time about current road situations. This book addresses readers interested in mobile ad hoc networks, in particular researchers and developers working on vehicular networks.

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