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Reliable broadcast is a basic service for many collaborative applications as it provides reliable dissemination of the same information to many recipients. In this paper, the authors propose a novel ReliAble ProbabIlistic Dissemination protocol, called RAPID, for mobile wireless ad-hoc networks that tolerates message omissions, node crashes, and selfish behavior. The protocol employs a combination of probabilistic forwarding with deterministic corrective measures. The forwarding probability is set based on the observed number of nodes in each one-hop neighborhood, while the deterministic corrective measures include deterministic gossiping as well as timer based corrections of the probabilistic process.
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