The first question I always have when I read headlines such as this is "Who paid for it?" I filled in the form for to download the report and it contains the f

The first question I always have when I read headlines such as this is "Who paid for it?" I filled in the form for to download the report and it contains the following: Disclaimer The tests reported upon in this document are conducted by us using our own test tools under test conditions chosen by us. The test conditions were chosen by us to reasonably represent what our customers would experience using our Service with their representative environments and workloads. The tests have been designed by us to only look at the performance aspects of the CSPs that we believe are relevant to our customers – it is intentionally narrow in scope. Nasuni is not in the business of benchmarking CSPs, certifying test results or selling performance metrics. We have attempted to make sure the tests are fair and consistent within our selected parameters and have worked with several of the vendors to confirm our results. Our tests are not meant to indicate performance from each CSP under ideal conditions to the CSP, and, in any event, performance should only be one factor of many in a CSP selection process. AFTER EDIT: and from the conclusion (which is worth reading): While Microsoft has secured the leadership position this year, it is quite possible that things could change again next year. In the two years this report has been published, there was a different leader each year. AFTER EDIT 2: From the second page of the article: Based on the findings of the report, Nasuni uses both Azure and AWS public cloud resources as part of the company's enterprise storage offering. If you don't want to fill in a form to read the report, there's an infographic: http://www.nasuni.com/blog/193-comparing_cloud_storage_providers_in http://www.nasuni.com/blog/193-comparing_cloud_storage_provi...