Data Redundancy with Location-Based Detection Scheme for Detecting Attacks in VANET

Juliet, A. Noble Mary; Valarmathi, M. L.; Pavithra, R. Joan
July 2014
Australian Journal of Basic & Applied Sciences;Jul2014, Vol. 8 Issue 10, p343
Academic Journal
Background: Vehicle communications play a significant role in providing safety transportation by means of safety message exchange. Vehicular ad hoc networks aim at enriching road safety by providing vehicle-to-vehicle communications and safety related applications. Objective: To detect the insider attackers with the valid key, and identify the attacker who insert or chage malicious information into VANET. Results: The novel approach to protect vehicular communication is based on entity-centric trust, which is accomplished by PKI. But this method fails to detect the attackers with valid key. Current proposal for solving this problem is based on the data redundancy approach which is one of the promising approaches for data consistency checking. It detects inconsistencies in the received messages by comparing redundant messages received from multiple paths. In case of attackers having large share on the incoming edges, dynamic thresholds are used to detect the attacks. This approach is suffered by colluding attackers and removal of attacker nodes. Conclusion: In this paper we extend the data redundancy approach by enabling location-based misbehaviour detection (LBMD) scheme. In this scheme each vehicle on the path can independently decide whether the information received is correct or false. The decision is based on stability of recent messages and new alert with reported and estimated vehicle locations. This method reduces the communication and computation costs involved in detecting attacks.


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