Distributed system and multiplexing control method for the system
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United States of America Patent
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Sep 18, 2007
Grant Date -
Dec 19, 2002
app pub date -
Feb 27, 2002
filing date -
Jun 15, 2001
priority date (Note) -
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Abstract
A distributed system of this invention forms multiplexing by n computers, and permits up to f computers to fail and halt. Respective computers exchange input candidates via an internal network B, and generate lists of input candidates. Each computer repeats generation of the list until (n-f) identical input candidates appear in that list. A computer which satisfies this condition executes its process irrespective of the states of other computers. This distributed system never generates a split brain in principle, and never interrupts a process upon occurrence of a failure due to time-out since it does not perform any failure detection.
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