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Hierarchical Adaptive Trust Establishment Solution for Vehicular Networks
Abstract:
Cooperative intelligent transportation systems (CITS), mainly represented by Vehicular Ad
Hoc Networks (VANETs), were developed to enhance safety on roads before being
generalized to support other comfort and efficiency applications. Most VANET applications,
including safety ones, are based on multi-hop communications. Hence, a certain
trustworthiness should exist among vehicles to ensure a reliable and trusted communication
excluding dishonest peers from all network operations. In this paper we propose an
hierarchical trust establishment solution able to cope with VANET applications and their
requirements. Our solution is based on a three-level architecture, which enables it to adapt
to the communication scenario and the required security level. Simulation results conducted
done NS2 tool evidence that our solution is able to reach almost optimal attacker detection
ratios (more than 90%) even in the presence of a significant number of attackers in the
network (25%) while reducing the wrong relay decision ratios.

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Hierarchical adaptive trust establishment solution for vehicular networks

  • 1. 2020 – 2021 #13/ 19, 1st Floor, Municipal Colony, Kangayanellore Road, Gandhi Nagar, Vellore – 6. Off: 0416-2247353 Mo: +91 9500218218 / +91 8220150373 Website: www.shakastech.com, Email - id: shakastech@gmail.com, info@shakastech.com Hierarchical Adaptive Trust Establishment Solution for Vehicular Networks Abstract: Cooperative intelligent transportation systems (CITS), mainly represented by Vehicular Ad Hoc Networks (VANETs), were developed to enhance safety on roads before being generalized to support other comfort and efficiency applications. Most VANET applications, including safety ones, are based on multi-hop communications. Hence, a certain trustworthiness should exist among vehicles to ensure a reliable and trusted communication excluding dishonest peers from all network operations. In this paper we propose an hierarchical trust establishment solution able to cope with VANET applications and their requirements. Our solution is based on a three-level architecture, which enables it to adapt to the communication scenario and the required security level. Simulation results conducted done NS2 tool evidence that our solution is able to reach almost optimal attacker detection ratios (more than 90%) even in the presence of a significant number of attackers in the network (25%) while reducing the wrong relay decision ratios.