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Online Learning News and Research
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Friday, August 02, 2002
http://www.convergemag.com/magazine/story.phtml?id=3030000000011964 Fault-Tolerant vs. Tolerating Faults Kenneth C. Green In the Internet era as campuses are moving toward e-learning, the expectation -- indeed the requirement -- is for services to be available 24-7. No matter what. A long, long time ago, years before the dot-coms injected the notion of "24-7" into our everyday vocabulary, the computer industry's term for reliability was fault tolerant. Fault-tolerant computers were the elite computers of the hardware industry, designed and marketed as the most reliable computers available for "mission critical" tasks. Ordinary mainframe and minicomputers handled the mundane tasks of personnel and payroll, tracking sales or preparing utility bills. Fault-tolerant computers did the really important stuff for NSA (the National Security Agency), the Pentagon and industries that really needed dependable equipment that could run 24 hours a day, seven days a week....
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