Impact of pseudonym subsequent pre-computation and forwarding in hybrid vehicular networks

Authors:
Joseph Benin;Julien Poumailloux;Henry Owen;Abdelmadjid Bouabdallah
Affiliations:
U.S. Coast Guard Academy, New London, CT, USA;Georgia Institute of Technology, Atlanta, GA, USA;Georgia Institute of Technology, Atlanta, GA, USA;Université de Technologie de Compiègne, Compiègne, France
Venue:
Proceedings of the ninth ACM international workshop on Vehicular inter-networking, systems, and applications
Year:
2012

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Abstract

Vehicular networks continue to provide a path to increased roadway safety. Pseudonyms are the provided means to balance security and privacy in such networks and their distribution remains an open question. In this work, we examine the impact of having pseudonyms readily available for distribution when the vehicle requests them. Extensive simulation is conducted to estimate a reasonable delay to generate the pseudonyms. A generic roadway grid is then analyzed to estimate the performance of various pseudonym forwarding methods. Finally we consider three cases of vehicular traffic densities given probabilities of zero to one hundred percent that the pseudonyms are immediately available for transmission. From this work, we conclude that not having pseudonyms available for transmission adversely affects system performance and could be a good design enhancement for vehicular networks.