Error resilient image transport in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Diffuse: A topology building engine for wireless sensor networks
Signal Processing
A failure detector for wireless networks with unknown membership
Euro-Par'11 Proceedings of the 17th international conference on Parallel processing - Volume Part II
What model and what conditions to implement unreliable failure detectors in dynamic networks?
Proceedings of the 3rd International Workshop on Theoretical Aspects of Dynamic Distributed Systems
Cross-layer cluster-based data dissemination for failure detection in MANETs
Proceedings of the 7th International Conference on Network and Services Management
Asynchronous failed sensor node detection method for sensor networks
International Journal of Network Management
A message omission failure approach to detect the quality of links in WSN
UCAmI'12 Proceedings of the 6th international conference on Ubiquitous Computing and Ambient Intelligence
Tailoring consistency in group membership for mobile networks
Future Generation Computer Systems
Effective fault detection and routing scheme for wireless sensor networks
Computers and Electrical Engineering
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The growing interest in ad hoc wireless network applicationsthat are made of large and dense populations oflightweight system resources calls for scalable approachesto fault tolerance. Moreover, the nature of these systemscreates significant challenges for the development of failuredetection services (FDSs), because their quality often dependsheavily on reliable communication. In particular, adhoc wireless networks are notoriously vulnerable to messageloss, which precludes deterministic guarantees for thecompleteness and accuracy properties of FDSs. To meetthe challenges, we propose an FDS based on the notion ofclustering. Specifically, we use a cluster-based communicationarchitecture to permit the FDS to be implementedin a distributed manner via intra-cluster heartbeat diffusionand to allow a failure report to be forwarded across clustersthrough the upper layer of the communication hierarchy.In doing so, we extensively exploit the message redundancythat is inherent in ad hoc wireless settings to mitigate theeffects of message loss on the accuracy and completenessproperties of failure detection. As shown by our mathematicalanalysis, the resulting FDS is able to provide satisfactoryprobabilistic guarantees for the desired properties.