Several data centers, including several operated by Amazon in northern Virginia, have faced large fines because their emergency generators were installed without permits, and others because the diesel generators have contributed significant air pollution during testing.

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Several firms which provide secure data centers and sit atop hubs that offer connectivity to several hundred telecommunication lines reaching around the world are now offering hosting for traders.

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However, before deploying new equipment in data centers, companies look for several critical features.

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This could take several forms but generally involves storing copies of content through the cloud, usually in data centers that are away from the primary storage site.

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The computing giant has already weathered several quarters with surprisingly strong earnings, thanks in large part to its focus on services like managed data centers--which many customers are using so that they can replace expensive employees--and software as a service, which is seen as a thrifty alternative to traditional software.

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The cost to the Indian companies, which do everything from running call centers to managing the massive amounts of transactional data generated by banks, could run to several hundred million dollars in lost profits.

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