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Towards Robust Data Storage in Wireless Sensor Networks

Author(s): Siegmund Norbert | Rosenmuller Marko | Moritz Guido | Saake Gunter | Timmermann Dirk

Journal: IETE Technical Review
ISSN 0256-4602

Volume: 26;
Issue: 5;
Start page: 335;
Date: 2009;
Original page

Keywords: Data | Management | Reliability | Software product lines | Wireless sensor networks.

Wireless sensor networks are used for sensing data if wired communication is not suitable. Connection -losses and depletion of nodes, however, result in reduced data availability of such networks. This is -problematic in upcoming scenarios like health care or home automation where data availability is highly -important. In this paper, we present an approach to provide robust data storage for wireless sensor networks. We achieve this goal by providing FAME-DBMS, a customizable database management system which can be tailored -according to the varying requirements of a sensor network. FAME-DBMS provides reliable data -storage -using security and integrity features, transaction management and recovery and a customizable query -engine. Since data reliability in wireless sensor networks also suffers from node failures, we propose a new S - RAID storage layer inspired from the RAID approach of server systems. This S-RAID is integrated in FAME-DBMS to store data redundantly and distributed in a wireless sensor network and thus provides access to data even when nodes fail.
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