This invention outlines a method for mapping out how system failures occur using a structured diagram called a fault tree. This tree organizes different types of events, such as underlying problems, actual errors, and formal error reports, showing how they are linked in a cause-and-effect chain. The claims narrow this to an electronic system that uses a processor and memory to implement this data structure, specifically detailing how problems cause errors, errors lead to reports, and errors can also propagate to other errors.
Why it matters: Filed before modern AI/ML and big data processing capabilities. The manual construction and maintenance of such a fault tree, as implied in 2004, can now be significantly automated by learning from system logs and metrics, enhancing real-time root cause analysis.
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