System and method for detecting faults in a system

Details System and method for detecting faults in a system System and method for detecting faults in a system

2008-07-01

2008-07-01

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

11149655

ABSTRACT:
To determine the cause of a problem, evaluating and tracing how an individual request traverses through various components in the system makes possible new detection techniques. The present invention relates to detecting faults in a computer system. In accordance with an embodiment of the invention, a method and apparatus detects a fault in a system by receiving a request and generating a trace based on the request. The trace is a sequence of components used to service the request. The method and apparatus also compares the trace with a stored automaton to determine whether the trace is an anomaly. The stored automaton describes traces.

REFERENCES:
patent: 5699402 (1997-12-01), Bauer et al.
patent: 6470388 (2002-10-01), Niemi et al.
patent: 6654915 (2003-11-01), Lu et al.
M. Chen, et al., “Pinpoint: Problem Determination in Large, Dynamic Internet Services”, Computer Science Division, University of California, Berkeley, International Conference on Dependable Systems and Networks (IPDS Track), 2002.

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