Geo-Reactive: An Efficient and Reliable Hybrid Routing Protocol for VANETs

A novel hybrid protocol comprising of greedy and reactive mode with stable path is proposed and simulation results are shown. The authors’ protocol overcomes the problem of loops encountered in GPSR by adopting reactive approach with stable link. This is made possible by selecting forwarding nodes with stable links and also the control overhead is minimized by forwarding the packets to only those vehicles which are travelling in the same direction. Their simulation results show that geo-reactive outperforms GPSR in terms of packet delivery ratio, average end-end delay and packet drop ratio.

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