Fault tolerant data processing
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United States of America Patent
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Jan 25, 2011
Grant Date -
Dec 20, 2007
app pub date -
May 18, 2005
filing date -
May 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of identifying a valid version of a data value and voting on separate instances of the data value is described. A processor receives an instance of the data value generated by one processor and a transmitted version of that generated instance transmitted by another processor and compares the received values to validate them. The processor further determines an agreed version of the data value from a comparison of the validated instances. As a result a simple and robust voting system is provided.
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