Google's secret of success? Dealing with failure

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Redundancy adds Complexity

TPF mainframes don't lose their data - even after decades of
use. These systems run the credit card and airline industries.
They are designed to keep "one version of the truth". In contrast,
ask the Yahoo folks how "reliable" and energy efficient their
email system is with 10's of thousands of PC's. Redundancy
adds complexity, which is often the inverse of reliability. For
example, the B-52 bomber has eight engines, while the 747 is
rated ETOPS with four, and the 777 is rated ETOPS with only two.
I am suggesting that we are entering a similar "consolidation"
trend with the computer industry.

Posted by: Fraumann   Posted on: 08/14/06 You are currently: a Guest | Members login | Terms of Use

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