Cooperation as a service in VANET: Implementation and simulation results

  • Authors:
  • Hajar Mousannif;Ismail Khalil;Stephan Olariu

  • Affiliations:
  • Cadi Ayyad University, Guéliz, Marrakech, Morocco;Johannes Kepler University, Linz, Austria;Old Dominion University, Norfolk, VA, USA

  • Venue:
  • Mobile Information Systems
  • Year:
  • 2012

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Abstract

The past decade has witnessed the emergence of Vehicular Ad-hoc Networks VANET, specializing from the well-known Mobile Ad Hoc Networks MANET to Vehicle-to-Vehicle V2V and Vehicle-to-Infrastructure V2I wireless communications. While the original motivation for Vehicular Networks was to promote traffic safety, recently it has become increasingly obvious that Vehicular Networks open new vistas for Internet access, providing weather or road condition, parking availability, distributed gaming, and advertisement. In previous papers [27,28], we introduced Cooperation as a Service CaaS; a new service-oriented solution which enables improved and new services for the road users and an optimized use of the road network through vehicle's cooperation and vehicle-to-vehicle communications. The current paper is an extension of the first ones; it describes an improved version of CaaS and provides its full implementation details and simulation results. CaaS structures the network into clusters, and uses Content Based Routing CBR for intra-cluster communications and DTN Delay --and disruption-Tolerant Network routing for inter-cluster communications. To show the feasibility of our approach, we implemented and tested CaaS using Opnet modeler software package. Simulation results prove the correctness of our protocol and indicate that CaaS achieves higher performance as compared to an Epidemic approach.