PeerTIS: a peer-to-peer traffic information system

  • Authors:
  • Jedrzej Rybicki;Björn Scheuermann;Markus Koegel;Martin Mauve

  • Affiliations:
  • Heinrich Heine University, Duesseldorf, Germany;Heinrich Heine University, Duesseldorf, Germany;Heinrich Heine University, Duesseldorf, Germany;Heinrich Heine University, Duesseldorf, Germany

  • Venue:
  • Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
  • Year:
  • 2009

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Abstract

In this paper we propose a traffic information system based on the distribution of knowledge provided by the cars themselves. Prior work in this area attempted to realize this distribution via vehicular ad-hoc networks, i.e., by direct communication between cars. Such an approach faces serious problems due to capacity constraints, high data dissemination latencies, and limited initial deployment of the required technology. In this paper, we present a solution that is not based on ad-hoc networking, but is still fully decentralized. It establishes a peer-to-peer overlay over the Internet, using cellular Internet access. We present a structure for the overlay, a prototype implementation in a simulation environment, and results that underline the feasibility of such a system in a city scenario. We also provide an estimate of expected user benefits when our system is used for dynamic route guidance.