In this paper we consider reliability models for ad-hoc network which will establish multipath before routing. It is important to obtain the probability of successful communication, for it will affect the user' satisfaction. We first build a static model and there is not any recovery mechanism. Then we analyze four kinds of recovery methods. Lastly, we give some simulation, and found that recovery mechanism can greatly improve the successful communication rate compared to no-recovery mechanism. In recovery method, the best one is centralized failure, distributed recovery (CD).
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