In vehicular ad-hoc networks a path has to be found to send a message from one vehicle to another vehicle. This path has to have a connectivity rate that is high enough to obtain a high probability of arrival of the message. In other approaches, the average distance between vehicles on a link of the network is used as metric for connectivity. In this paper, an other metric is proposed, based on the average and standard deviation of the distances between the vehicles to reach a metric that performs better.
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