"Four years ago, Weather.com, the online counterpart of The
Weather Channel Interactive Inc.'s 24-hour TV channel, relied
entirely on proprietary commercial software to serve up millions of
Web pages of maps, forecasts and hour-by-hour weather data every
"Today, the Atlanta-based Web site serves more than 50 million
pages on stormy days, but it runs almost entirely on open-source
software and commodity hardware. And since the move to the new
architecture, it has slashed IT costs by one-third and increased
Web site processing capacity by 30%..."
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