A survey on resiliency assessment techniques for wireless sensor networks
Proceedings of the 11th ACM international symposium on Mobility management and wireless access
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As the incidence of faults in real Wireless Sensor Networks (WSNs) increases, fault injection is starting to be adopted to verify and validate their design choices. Following this recent trend, this paper presents a tool, named AVR-INJECT, designed to automate the fault injection, and analysis of results, on WSN nodes. The tool emulates the injection of hardware faults, such as bit flips, acting via software at the assembly level. This allows to attain simplicity, while preserving the low level of abstraction needed to inject such faults. The potential of the tool is shown by using it to perform a large number of fault injection experiments, which allow to study the reaction to faults of real WSN software.