NDLI: RES: A Robust and Efficient Snapshot Algorithm for Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Weigang Wu Haiqing Liu Hejun Wu
Copyright Year	2012
Abstract	Wireless sensor networks (WSN) have been widely used in natural environment monitoring, military, health care, human life and other fields. Distributed snapshot, i.e. the global view/state of the whole system, is a fundamental block for many network control and data processing operations in WSNs. Although there have been quite a number of snapshot algorithms proposed, most of them are designed for traditional network environments. The characteristics of WSN in resource constraints, communication link and network topology require delicately new design. In this paper, we propose a new snapshot algorithm, named RES, which can tolerate packet loss with efficient communication cost. Basically, RES is executed based on the level of a node, which is determined by the hop count to the sink node. The snapshot query and snapshot data are propagated level by level. To tolerate packet loss, a node sends a packet by local broadcasting to all neighbors, to reduce communication cost, the feedback packet from lower level nodes will be merged with replicated data removed. Our design even does not require the knowledge of node constitution and neighborhood in prior, which makes RES more practical, especially for networks with high dynamics. We conduct extensive simulations via OMNET++ to evaluate the performance of RES and compare it with similar algorithms. The results show that RES can save both communication and time cost, and it can tolerate packet losses efficiently.
Starting Page	231
Ending Page	236
File Size	317775
Page Count	6
File Format	PDF
ISBN	9781467314237
ISSN	15450678
e-ISBN	9781467314237
DOI	10.1109/ICDCSW.2012.31
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Algorithm design and analysis Broadcasting Robustness Time factors Measurement Heuristic algorithms cost efficiency Distributed snapshot wireless sensor network fault-tolerance
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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