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An Energy and Distance Aware Data Dissemination Protocol Based on SPIN in Wireless Sensor Networks
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In this paper we present a data disseminationprotocol for efficiently distributing data through asensor network in the face of node and link failures. Ourwork is motivated by the SPIN protocol which usesmetadata negotiation to minimize data transmissions.We propose a protocol called Shortest Path MindedSPIN (SPMS) in which every node has a zone defined byits maximum transmission radius. A data source nodeadvertises the availability of data to all the nodes in itszone. Any interested node requests the data and gets sentthe data using multi-hop communication via the shortestpath. The failure of any node in the path is detected andrecovered using backup routes. We build simulationmodels to compare SPMS against SPIN. The simulationresults show that SPMS reduces the delay over 10 timesand consumes 30% less energy in the static failure freescenario. Even with the addition of mobility, SPMSoutperforms SPIN by energy gains between 5% and21%. An analytical model is also constructed tocompare the two protocols under a simplified topology.