NDLI: A Distributed Connectivity Restoration Algorithm in Wireless Sensor and Actor Networks

Content Provider	IEEE Xplore Digital Library
Author	Abbasi, A.A. Akkaya, K. Younis, M.
Copyright Year	2007
Description	Author affiliation: Al-Hussan Inst. of Mgmt & Comp, Dammam (Abbasi, A.A.)
Abstract	There has been an increased interest in applications of wireless sensor and actor networks (WSANs) in recent years. In such applications, a set of mobile actor nodes are deployed in addition to sensors in order to collect sensors' data and perform specific tasks in response to detected events/objects. In most scenarios actors have to respond collectively which requires an inter-actor coordination. Therefore, maintaining a connected inter-actor network is crucial to the effectiveness of WSANs. However, WSANs often operate unattended in harsh environments where actors can easily fail or get damaged. Due to such failures an actor will be unable to communicate with its neighbors which may lead to partitioning the inter-actor network. In this paper we present DARA; a Distributed Actor Recovery Algorithm, which opts to efficiently restore the connectivity of the inter-actor network that has been affected by the failure of an actor. The idea is to identify the least set of actors that should be repositioned in order to establish connectivity among disjoint network partitions. DARA strives to localize the scope of the recovery process and minimize the movement overhead imposed on the involved actors. The effectiveness of DARA is validated through simulation experiments.
Starting Page	496
Ending Page	503
File Size	343084
Page Count	8
File Format	PDF
ISBN	0769530001
ISSN	07421303
DOI	10.1109/LCN.2007.19
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-15
Publisher Place	Ireland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Event detection Fires Computer networks Computer science Application software Partitioning algorithms Optimized production technology Collaboration Distributed computing node relocation. WSANs network connectivity distributed recovery
Content Type	Text
Resource Type	Article

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