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From: pltodms	3/2/2012 3:25:07 PM
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Why Infrastructure As A Service Is A Bad Deal The numbers we cranked speak for themselves: IaaS services from Amazon and others most likely do a disservice to your bottom line. By Art Wittmann Mar 02, 2012 8:30am In a column a few days ago, I questioned the value of infrastructure-as-a-service offerings based on their lack of adherence to Moore's Law. My thesis: While CPU performance and drive storage capacity continue to climb at logarithmic rates, IaaS vendors aren't providing those implied cost savings back to their customers. I received two sorts of responses to that column: those thankful for the oversimplified example I provided; and others wanting more concrete numbers applied to real systems. I took some time to do a back-of-the-napkin calculation for storage, and I'll share my results here. Before jumping into the numbers, however, it's important to know that it's pretty much impossible to do an apples-to-apples comparison between 2006 IaaS prices (the year Amazon first offered EC2 and S3) and 2012 prices. Sure, for storage systems you can compare drive capacity, but that's not the full story. An iSCSI drive array in 2006 would typically come with 2-Gbps to 4-Gbps Ethernet adapters, while today you'll get a few 10-Gbps Ethernet adapters. You'll also get six years of advances in firmware and software. So let me say right from the start: This not only isn't an apples-to-apples comparison, but you probably don't want one. Continued: informationweek.com

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