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The authors study the performance of ad hoc unicast routing protocols under extreme mobility (Over 20 m/s). This paper presents extensive evaluation of two reactive (DSR and AODV) and one proactive protocol (FSR). The authors model the topology dynamics and this paper applies the results to improve the investigated protocols. At very high speeds, despite optimizations that address limitations of DSR's aggressive route caching mechanism, DSR is found inferior to both AODV and FSR. At these speeds AODV exhibits impressive resilience.
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