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"Integrated Hardware and Software Fault Tolerance for Real Time Applications",
Proc. 10th International Conference of the Israel Society for Quality Assurance,
Jerusalem, November, 1994
A distributed fault tolerant system for real time process control based on an enhancement
of the distributed recovery block is described. Coverage is provided for failures
in hardware, system software, networks, and application software. Fault tolerance
provisions are introduced at the system level and in application software using
an architecture based on the distributed recovery block
(DRB). This implementation allows use of standard off-the-shelf hardware and software
components providing life cycle cost and extensibility benefits. Maintainability
is enhanced through an automated restart capability and a logging function.
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