Meeting lifetime goals with energy levels
Proceedings of the 5th international conference on Embedded networked sensor systems
COOJA/MSPSim: interoperability testing for wireless sensor networks
Proceedings of the 2nd International Conference on Simulation Tools and Techniques
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Limited visibility of node states makes debugging deployed sensor networks very difficult. Higher visibility usually implies more resource consumption. As sensor networks are resource-constrained and need to operate unattended for long periods, a balance between a sufficient level of visibility and a tolerable consumption of resources needs to be found so that enough evidence can be collected to analyze the causes of observed problems. We propose a mechanism called visibility levels (vLevels) to manage the trade-off between visibility and resource consumption. Preliminary experimental results show the feasibility of vLevels.