Some interesting data points
Microsoft has one of the biggest collections of Web sites, with 550 million users, 2 billion search queries, and 10 billion page views per month, as well as 8 billion messages on Microsoft Messenger per day. The company deploys 10,000 new servers per month on average to keep up with demand, Chrapaty said. She broke down Microsoft's model for building infrastructure into a three-letter acronym.
The cloud is all about GET--Growth, Efficiency, and Trust, Chrapaty said. In terms of growth, data centers are a $300 million to $500 million investment. "You have to make every kilowatt count," she said, noting that Microsoft has 35 criteria, such as network egress, power, and available staff, to determine locations for data centers.