Fault tolerant multi-node computing system for...

Details Fault tolerant multi-node computing system for... Fault tolerant multi-node computing system for...

2007-06-26

2007-06-26

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

10792840

ABSTRACT:
In a fault tolerant computing system, a number of processing nodes are connected via a communication channel to a management node. The management node has the function of setting the processing nodes in uniquely different configurations and operating the processing nodes in parallel to execute common application programs in parallel, so that the application programs are run under diversified environments. The management node has the function of respectively distributing request messages to the processing nodes. The configurations of the processing nodes are sufficiently different from each other to produce a difference in processing result between response messages when a failure occurs in one of the processing nodes. Alternatively, the management node has the function of selecting, from many processing nodes, those processing nodes which are respectively set in uniquely different configurations and operating the selected processing nodes in parallel to execute the common application programs.

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Algirdas Avizienis et al., “Fault Tolerance by Design Diversity: Concepts and Experiments”, Computer Society, Aug. 1984, pp. 67-80, vol. 17, No. 8, IEEE Computer Society.

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