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Economic Online Self-Test in the Time-Triggered Architecture
July-September 1999 (vol. 16 no. 3)
pp. 81-89
Fault-tolerant, distributed, real-time architectures are often based on a restrictive fault model and special assumptions of the node behavior in the event of faults. The Time-Triggered Architecture (TTA) typifies such an architecture. Using the TTA, this article analyzes the implications of the single-fault assumption and the fail-silence assumption on error detection and testing. Preventing fault accumulation within the communication controllers is of utmost importance in guaranteeing system fault tolerance. The methods for on-line self-testing traditionally applied to attain this goal compromise the responsiveness of the system or result in costly solutions. The strategy presented in this article is cost-efficient, since it fully utilizes the properties offered by the TTA for testing.
Index Terms:
fail-silence, fault-tolerant system, on-line testing, error detection, Time-Triggered Architecture, fault accumulation.
Citation:
Andreas Steininger, Christopher Temple, "Economic Online Self-Test in the Time-Triggered Architecture," IEEE Design & Test of Computers, vol. 16, no. 3, pp. 81-89, July-Sept. 1999, doi:10.1109/54.785840
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