Data-centric storage in sensornets with GHT, a geographic hash table
Mobile Networks and Applications
Supporting Cooperative Caching in Ad Hoc Networks
IEEE Transactions on Mobile Computing
Geographical distribution of subscriptions for content-based publish/subscribe in MANETs
Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion
On the performance evaluation of query-based wireless sensor networks
Performance Evaluation
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Replication of data items among different nodes of a wireless infrastructureless network may be an efficient technique to increase data availability and improve data access latency. This paper proposes a novel algorithm to distribute data items among nodes in these networks. The goal of the algorithm is to deploy the replicas of the data items in such a way that they are sufficiently distant from each other to prevent excessive redundancy but, simultaneously, they remain close enough to each participant, such that data retrieval can be achieved using a small number of messages. The paper describes the algorithm and provides its performance evaluation for several different network configurations.