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2009 15th IEEE International On-Line Testing Symposium
Fault injection-based evaluation of a synchronous NoC router
Sesimbra-Lisbon, Portugal
June 24-June 26
ISBN: 978-1-4244-4596-7
This paper evaluates fault-tolerant behavior of an NoC router through simulation-based method. A structural-level VHDL environment has been employed to estimate fault injector signal's (FIS) effects. Different fault models such as dead clause, stuck-then, micro-operation, crosstalk, and SEU have been injected to evaluate the transient faults' effects. According to the results, up to 48% of the injected faults cause system failure and also about 51% are overwritten before turning into errors. Less than 1% of injected faults treat as latent errors. The average of fault latency has been investigated as 194ns. Almost 70%, 31%, and 35% of injected faults are overwritten in buffer, routing unit, and switch components, respectively. Routing unit is also recognized as the most tenuous component.
Index Terms:
Network-on-a-chip,Circuit faults,Routing,Fault tolerance,Switches,Clocks,Single event upset,Crosstalk,Topology,Electromagnetic radiation
"Fault injection-based evaluation of a synchronous NoC router," iolts, pp.212-214, 2009 15th IEEE International On-Line Testing Symposium, 2009
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