Abstract
Researchers and policy makers have long waited to see fully connected vehicular networks that can help prevent accidents, facilitate eco-friendly driving, and provide better and more accurate real-time traffic information. Today, vehicular ad hoc networks (VANETs) are a promising application of technologies that could help to achieve many of these goals. Using advances in wireless communications, computing, and vehicular technologies, VANETs rely on real-time communication among vehicles, pedestrians, and roadside sensors located along transportation systems. While many of the technical challenges of these complex systems have been addressed, concerns about security, liability, and privacy may impede rapid progress toward large-scale implementation and deployment. This chapter examines the promise and the perils of these systems.
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