It is possible to use Drupal's Paas (Cloud) on AWS!
Digital Circus, using the Acquia Network provided by Acquia, makes it possible to present high-functioning Drupal entry and maintenance service to the Japanese CMS market. The Acquia Network uses the Acquia Cloud together with performance-enhancing tools, analysis tools, and other monitoring services.
Digital Circus partnered with Acquia to provide Drupal development, operational monitoring, and Japanese-language support for the Japanese market.
The CTO of Acquia
is Drupal founder Dries Buytaert, and they provide a Drupal platform service called Acquia Cloud. Many global corporations use the Acquia service and their reputation is very strong. Many of the companies are ranked in the top 500 high-growth US companies.