In effort to ensure that its site — www.london2012.com — can juggle traffic from an estimated 1 billion people over the three short weeks of the games, the London Olympics Organizing Committee turned to SOASTA, a Mountain View, California, outfit that uses cloud services such as Amazon EC2 and Microsoft Azure to simulate traffic to websites and other online applications inside the world’s businesses.
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http://www.wired.com/wiredenterprise/2012/07/soasta-olympics/