Temporary Parallel Route Recovery for Frequent Link Failure in VANET
VANET is an upcoming technology to establish communication between the vehicles while travelling, which provides internet connectivity resulting in increased road safety, giving important alerts and accessing comforts while travelling. The VANET technology integrates WLAN, Cellular and Adhoc networks to achieve the continuous connectivity between the vehicles. Vehicle Ad-hoc Networks (VANETs) are systems that allow vehicles to communicate with each other. Wireless device can send information to nearby vehicles, and messages can be routed from one vehicle to another, so that the information can be spread throughout the city. In network there is a very frequent link failure due to high mobility of nodes from available network region. So this frequent link failure causes packets to not reach respective destination. The mechanism proposed here establishes a kind of parallel route discovery for real time application for packets to be delivered at destination by minimizing losses. The main goal is to establish parallel routes during link failures for real time application scenarios to deliver the data safely to destination. The parallel route recovery establishes temporary parallel path between the nodes when there is link failure. The node before the failure link buffers the packets, after establishing new parallel path it then forwards the buffered packets to the destination through newly established path.
KeywordsVANET AODV AOMDV FROMR buffer parallel path
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