We present in this article a method to wisely replicate information in an unstructured peer-to-peer network. We make no assumption on the network topology. Thematic agents move randomly on the network and estimate the level of redundancy of the specific information they are dealing with. They can delete or create replicas if this estimated redundancy is too high or too low. Experiments show that we can achieve an homogeneous distribution of information in a distributed environment while achieving a high level of fault tolerance.
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