Last week Amazon.com was the first of the large cloud service companies other than Rackspace to finally break out revenue and expenses for its cloud operation. The market was cheered by news that Amazon Web Services (AWS) last quarter made an operating profit of $265 million with an operating profit margin of 19.6 percent. AWS, which many thought was running at break-even or possibly at a loss, turns out to be for Amazon a $5 billion business generating a third of the company’s total profits. That’s good, right? Not if it establishes a benchmark for typical-to-good cloud service provider performance. In fact it suggests that some companies — IBM […]