Resilient data-centric storage in wireless ad-hoc sensor networks

Abhishek Ghose, Jens Grossklags, John Chuang

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Wireless sensor networks will be used in a wide range of challenging applications where numerous sensor nodes are linked to monitor and report distributed event occurrences. In contrast to traditional communication networks, the single major resource constraint in sensor networks is power, due to the limited battery life of sensor devices. It has been shown that data-centric methodologies can be used to solve this problem efficiently. In data-centric storage, a recently proposed data dissemination framework, all event data is stored by type at designated nodes in the network and can later be retrieved by distributed mobile access points in the network. In this paper we propose Resilient Data-Centric Storage (R-DCS) as a method to achieve scalability and resilience by replicating data at strategic locations in the sensor network. Through analytical results and simulations, we show that this scheme leads to significant energy savings in reasonably large-sized networks and scales well with increasing node-density and query rate. We also show that R-DCS realizes graceful performance degradation in the presence of clustered as well as isolated node failures, hence making the sensornet data robust.

Original languageEnglish (US)
Pages (from-to)45-62
Number of pages18
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2574
StatePublished - Dec 1 2003

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Data Storage
Ad hoc networks
Ad Hoc Networks
Sensor networks
Sensor Networks
Data storage equipment
Vertex of a graph
Sensor nodes
Data Dissemination
Sensor
Telecommunication networks
Resource Constraints
Scalability
Wireless sensor networks
Energy conservation
Resilience
Energy Saving
Communication Networks
Battery
Wireless Sensor Networks

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

Cite this

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Resilient data-centric storage in wireless ad-hoc sensor networks. / Ghose, Abhishek; Grossklags, Jens; Chuang, John.

In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 2574, 01.12.2003, p. 45-62.

Research output: Contribution to journalArticle

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