NDLI: Revising Quorum Systems for Energy Conservation in Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Tulone, D. Demaine, E.D.
Copyright Year	2007
Description	Author affiliation: UCLA, Los Angeles (Tulone, D.)
Abstract	Quorum systems are well-known techniques designed to enhance the performance of distributed systems, such as to reduce the access cost per operation, to balance the load, and to improve the system scalability. All of these properties make quorum systems particularly attractive for large- scale sensor applications involving coordinated tasks, such as rescue applications. In this paper we analyze quorum techniques in the specific context of sensor networks and energy conservation, and show why quorum systems designed for wired networks and their metrics fail to address the challenges introduced by sensor networks. We then redefine quorum metrics such as access cost, load balance, and capacity in a way that takes into account the limitations and the characteristics of sensor networks, and discuss some energy-efficient design strategies. In addition, we propose a family of energy-efficient quorum systems and a particular construction, called Regional quorum system (RQ), which reduces the quorum access cost. Finally, we propose a data diffusion protocol built on top of the RQ system, which improves energy consumption by reducing message transmissions and collisions, and increases the available bandwidth. We apply our diffusion protocol to analyze the RQ system using our novel metrics.
Starting Page	147
Ending Page	157
File Size	226878
Page Count	11
File Format	PDF
ISBN	9780769529813
DOI	10.1109/WASA.2007.24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Scalability Energy conservation Failure analysis Access protocols Sensor phenomena and characterization Sensor systems and applications Sensor systems Energy efficiency Capacitive sensors
Content Type	Text
Resource Type	Article

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