Cloud Speed Study: Microsoft Windows Azure Fastest Cloud

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You can see Cloudsleuth’s own breakdown of the study’s highlights here, and the full report is available as a zipped Excel file here. Cloudsleuth’s usual modus operandi is to provide reliability and speed reports for major cloud service providers over the last 30 days free of charge.

It’s intended as  a tool to help organizations make sure they’re partnering with a vendor that can meet their needs. But this is the first time CloudSleuth has released 12 months of data, covering August 2010 to July 2011, in a unified report with useful charts and graphs.

Here’s a top five list, as per the report, with time represented in miliseconds:

According to Ars Technica, CloudSleuth’s method for determining these speeds is as follows:

No, the test isn’t foolproof — not every organization is going to be doing things over HTTP, as the test requires. And as Ars Technica points out, many of these providers have proven their overall stability, reliability and performance with customers even if they don’t chart. But it’s still a very useful comparison of data that we don’t usually get to see.

In that blog entry, Cloudsleuth asks three important questions:

If you have answers or insight, you can e-mail them directly at [email protected]. And of course, we welcome your perspectives in the comments below.