| 摘要 |
In the present invention, a coordinated hierarchy of timing mechanisms preferably cooperate to report errors at different operational levels of a complex of computing devices. Preferably, each timer is able to identify a failure condition at its own level of operation and transmit a time-out condition to a higher level device which may also be a timer. Upon generation of a time-out condition, a system component experiencing a fault condition preferably continues to operate in a degraded mode, informs devices attempting to communicate with the faulty component of a status of the fault condition, and preferably proceeds to identify and correct a failure which caused the time out condition. The timers may be implemented in hardware or software.
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