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I am pleased to announce the availability of the Cloud Orchestration API service which is based off the OpenStack Heat project.
Cloud Orchestration is an API service that allows you to create, update and manage groups of cloud resources and their software components as a single unit and then deploy them in an automated, repeatable fashion via a template. Documentation can be found at: http://docs.rackspace.com
Please let us know how we can further improve this offering.