https://www.htmlgoodies.com/news/sitecore-cms-6-3-to-support-cloud-via-amazon-rackspace-and-azure/
Sitecore this week announced that its content management system, CMS 6.3, will support cloud services. Sitecore's cloud providers include Amazon,
sitecore cmssupport cloudviaamazonrackspace
https://pantheon.io/learning-center/cms/drupal-vs-sitecore
Explore a thorough comparison of Drupal vs. Sitecore. Delve into their features, security, scalability and integration capabilities to inform your CMS choice.
makinginformedcmschoicedrupal