To provide a distributed system capable of satisfying both prevention of a split brain and security of a real time property in failure occurrence.
This distributed system forms multiplexing by (n) computers, and permits up to (f) units to fail and halt. The respective computers exchange input candidates via an internal network B and generate lists thereof. Each computer repeats generation of the list until (n-f) identical input candidates appear in that list, and execute their processes from ones satisfying this condition regardless of statuses of other computers. That is to say, the distributed system never generates a split brain in principle by perfectly preventing execution of failure detection, and never interrupts a process upon occurrence of a failure by time-out.
COPYRIGHT: (C)2005,JPO&NCIPI
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Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto