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Title:Enhancing Reliability in Storage-Centric Sensor Networks
Author(s):Nayyeri, Amir; Abdelzaher, Tarek F.
Subject(s):sensor networks
networking
Abstract:In this paper we address the reliability problem in storage-centric sensor networks deployed in hazardous environments. We use the nodes' extra flash memory to save distributed encoded blocks of data. We employ erasure coding to substantially improve the trade-off between storage reliability and required disk capacity. Moreover, efficient mechanisms are designed for spreading the encoded pieces over the network. Mathematical and experimental results show that erasure coding preserves the data from both crashes and memory overflow, substantially outperforming traditional schemes.
Issue Date:2008-08
Genre:Technical Report
Type:Text
URI:http://hdl.handle.net/2142/11481
Other Identifier(s):UIUCDCS-R-2008-2993
Rights Information:You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45 (forty-five) days from the most recent time that you verified that this technical report is still available from the University of Illinois at Urbana-Champaign Computer Science Department under terms that include this permission. All other rights are reserved by the author(s).
Date Available in IDEALS:2009-04-23


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