Google: 450K Servers at 25 Locations
John Markoff and Saul Hansell write in The New York Times about how Google is growing its computing capacity.
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The rate at which the Google computing system has grown is as remarkable as its size. In March 2001, when the company was serving about 70 million Web pages daily, it had 8,000 computers, according to a Microsoft researcher granted anonymity to talk about a detailed tour he was given at one of Google’s Silicon Valley computing centers. By 2003 the number had grown to 100,000.
Today even the closest Google watchers have lost precise count of how big the system is. The best guess is that Google now has more than 450,000 servers spread over at least 25 locations around the world. The company has major operations in Ireland, and a big computing center has recently been completed in Atlanta. Connecting these centers is a high-capacity fiber optic network that the company has assembled over the last few years.
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“Google is like the Borg,” said Milo Medin, a computer networking expert who was a founder of the 1990’s online service @Home, referring to the robotic species on “Star Trek” that was forcibly assembled from millions of species and computer components. “I know of no other carrier or enterprise that distributes applications on top of their computing resource as effectively as Google.”