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fault-tolerant system

fault-tolerant system

A Dictionary of the Internet | 2001 | | Copyright

fault-tolerant system A system where a fault, be it a hardware or software fault, does not immediately lead to total failure. A fault-tolerant system either degrades gracefully when some fault is detected or carries on with the fault hidden from users. There are a number of techniques used to implement fault-tolerant DISTRIBUTED SYSTEMS. The most common is replication. Hardware replication involves constructing a system with a number of computers with each carrying out the same function; when one of these computers malfunctions its processing is taken over by one of the other computers. Another technique is DATA REPLICATION where an important database resides on a number of computers. If one of these computers malfunctions then this would not be a disaster, as another computer would be available to take part in any processes involving the database.
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fault-tolerant system

A Dictionary of Computing | 2004 | | Copyright

fault-tolerant system A computer system that is capable of providing either full functionality (fail-safe) or reduced functionality (fail-soft) after a failure has occurred. Fault tolerance is usually provided through a combination of redundant system elements and error detection and correction procedures.
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JOHN DAINTITH. "fault-tolerant system." A Dictionary of Computing. 2004. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "fault-tolerant system." A Dictionary of Computing. 2004. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O11-faulttolerantsystem.html

JOHN DAINTITH. "fault-tolerant system." A Dictionary of Computing. 2004. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-faulttolerantsystem.html

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