GeoVanet: A Routing Protocol for Query Processing in Vehicular Networks.

Abstract : In a vehicular ad hoc network (VANET), cars can exchange infor- mation by using short-range wireless communications. Along with the opportunities o ered by vehicular networks, a number of challenges also arise. In particular, most works so far have focused on a push model, where potentially useful data are pushed towards vehicles. The use of pull models, that would allow users to send queries to a set of cars in order to nd the desired information, has not been studied in depth. The main challenge for pull models is the diculty to route the dif- ferent results towards the query originator in a highly dynamic network where the nodes move very quickly. To solve this issue, we propose Geo- Vanet, an anonymous and non-intrusive geographic routing protocol which ensures that the sender of a query can get a consistent answer. Our goal is to ensure that the user will be able to retrieve the query results within a bounded time. To prove the e ectiveness of GeoVanet, an extensive experimental evaluation has been performed, that proves the interest of the proposal for both rural and urban areas. It shows that up to 80% of the available query results are delivered to the user.
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Mobile Information Systems, Hindawi/IOS Press, 2011, 7 (4), pp.329-359. 〈10.3233/MIS-2011-0126〉
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Thierry Delot, Nathalie Mitton, Sergio Ilarri, Thomas Hien. GeoVanet: A Routing Protocol for Query Processing in Vehicular Networks.. Mobile Information Systems, Hindawi/IOS Press, 2011, 7 (4), pp.329-359. 〈10.3233/MIS-2011-0126〉. 〈inria-00611747〉

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