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Schwartz, R.S. and Barbosa, R.R.R. and Meratnia, N. and Heijenk, G.J. and Scholten, J. (2010) A Simple and Robust Dissemination Protocol for VANETs. In: 16th European Wireless Conference, 12-15 April 2010, Lucca, Italy. pp. 214-222. IEEE Computer Society. ISBN 978-1-4244-5999-5
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Official URL: http://dx.doi.org/10.1109/EW.2010.5483419
Several promising applications for Vehicular Ad-hoc Networks (VANETs) exist. For most of these applications, the communication among vehicles is envisioned to be based on the broadcasting of messages. This is due to the inherent highly mobile environment and importance of these messages to vehicles nearby. To deal with broadcast communication, dissemination protocols must be defined in such a way as to (i) prevent the so-called broadcast storm problem in dense networks and (ii) deal with disconnected networks in sparse topologies. In this paper, we present a Simple and Robust Dissemination (SRD) protocol that deals with these requirements in both sparse and dense networks. Its novelty lies in its simplicity and robustness. Simplicity is achieved by considering only two states (cluster tail and non- tail) for a vehicle. Robustness is achieved by assigning message delivery responsibility to multiple vehicles in sparse networks. Our simulation results show that SRD achieves high delivery ratio and low end-to-end delay under diverse traffic conditions.
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