I’ve been working on a proof of concept around using Windows Azure to automatically scale a RDS environment . An article about this has recently been published Microsoft’s Building Cloud blog.
“…Freek Berson a Remote Desktop Services (RDS) MVP developed this concept model on driving a solution for RDS in Azure. The question we ask when discussing this topic with Freek was: What if you wanted to get all the great enhancements to Remote Desktop Services in Windows Server 2012 R2 to securely enable remote users, but could scale up or down to meet changing demand—without having to pay for the excess capacity unless you were using it? Freek has been working on a proof of concept (POC) with one of his customers to accomplish exactly that…”
Read the article here: http://blogs.technet.com/b/privatecloud/archive/2014/02/21/scaling-out-rds-in-windows-azure.aspx