Reliable Traffic Information Propagation in Vehicular Ad Hoc Networks

Abstract

Abstract-In a Vehicular Ad-Hoc Network (VANET), an important application is to let moving vehicles collaborate with each other by sharing traffic information and alerting others of any emergency or accidental scenarios. To make this application possible, a security mechanism must be designed in the beginning to guarantee that no malicious vehicles or persons can intercept, manipulate, or modify traffic information propagating in a VANET without being detected. In this paper, we present a novel approach to provide reliable traffic information propagation in a VANET: two-directional data verification.Two-directional data verification approach uses vehicles in both directions of a two-way road as two separated media channels to propagate traffic data. By receiving messages from both channels, a recipient vehicle verifies the message integrity by checking if data received from both channels are matched. This approach exploits the fact that it is difficult for an adversary to have two collaborative vehicles on both driving directions in the same region. Even if an adversary can do this, it is costly and attacks can be done only in a short time period. The proposed approach is simple and readily to be implemented, requiring no complicated public-key infrastructure to protect traffic information propagation in VANET.

IP-CHOCK Reference Detection and Prevention of Denial of Service (DoS) Attacks in Vehicular Ad-Hoc Network

“…This combined effort has employed a novel wireless system, called Wireless Access for Vehicular Environment (WAVE), dedicated to vehicle-to-vehicle and vehicle-to-roadside communications. Whilst the main goal was clearly to improve issues of vehicular traffic safety, it has also introduced tratlic management solutions to on-board entertainment and information applications, such as Internet access and gaming (So young Park et al 2008;Muraleedharan et al 2009) A V ANET system enables vehicles to create a self-organized wireless network among a specified vehicle collective on an 'as-needed' basis. To establish successful communications, an efficient path must be initiated to deliver the packet to its destination by designing an efficient routing protocol (Nishi et al 2008).…”

“…Alteration Attacks alter existing data and may include delaying transmission of data, replaying earlier transmissions, or altering the actual entry of transmitted data. For example, an attacker can alter a message by telling other vehicles the current road is clear when the road is congested (Soyoung Park et al 2008).…”

Performance of routing protocols for VANETs

“…academic community in the search for solutions which allow to install wireless communications equipment in vehicles and/or on the banks of the automotive roads (streets, avenues, highways, etc. ), to exchange information with acceptable reliability, [10,13]. Among the technological facilities, the use of Bluetooth or USB (Universal Serial Bus), so that drivers don't take hands off the wheel while talking on a cell phone, is a constant reality in current vehicles.…”

Distributed Trust Based Authentication Scheme in a Clustered Environment Using Threshold Cryptography for Vehicular Ad Hoc Network

“…This network tends to operate without any infra-structure or legacy client and server communication. Each vehicle equipped with VANET device will be a node in the Ad-Hoc network and can receive and relay others messages through the wireless network (Park et al, 2009). Collision warning, road sign alarms and in-place traffic view will give the driver essential tools to decide the best path along the way (Plobi et al, 2006).This helps the drivers to react and prepare against sudden traffic events in advance.…”