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Low energy neighbor discovery, group formation, and group maintenance is a fundamental service in mobile sensor networks. Traditional solutions consider these protocols separately. In this paper, we introduce WiFlock, an energy-efficient protocol that combines discovery and maintenance using a collaborative beaconing mechanism. WiFlock combines a coordinated synchronized listening and evenly-spaced...
Replication is often used in distributed hash tables (DHTs) to reduce the latency of query requests. For read-write objects, replicas are commonly kept up-to-date by having a master node maintain physical pointers to replica hosts. Since these links are based on IP addresses, they must be updated whenever a linked node fails. This can be costly in systems with high churn. In this paper, we introduce...
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