The Amazon blog post is not very clear on this, but Werner Vogels post is: http://www.allthingsdistributed.com/2013/02/aws-opsworks.html http://www.allthingsdi

The Amazon blog post is not very clear on this, but Werner Vogels post is: http://www.allthingsdistributed.com/2013/02/aws-opsworks.html http://www.allthingsdistributed.com/2013/02/aws-opsworks.htm... This was previously known as "Scalarium", which was a third-party solution developed by Peritor that added several features on top of AWS, including management of instances using chef, infrastructure planning etc.