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In wireless sensor networks new challenges appear when the authors target a large-scale sensor network as scalability issues arise in dense sensor networks where multiple sources need to communicate with multiple sinks. New protocols are always being developed to tackle the efficiency in routing and power management. The Proximity Based Data Dissemination "PBDD" approach aims to provide high efficiency in data dissemination from multiple sources to multiple mobile sinks. The proposed model reduces the communication overhead between source, and sinks through eliminating most of the nodes from joining in the dissemination process.
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