OpenNebula has contributed to its ecosystem a new Cloud Service to access OpenNebula clouds through the vCloud Express API. The OpenNebula vCloud Service is a web service that enables you to launch and manage virtual machines in your OpenNebula installation through the vCloud Express API. The vCloud web service is implemented upon the new OpenNebula Cloud API (OCA) layer that exposes the full capabilities of an OpenNebula private cloud; and Sinatra, a widely used light web framework. The vCloud Express API in which this implementation is based, is the one specified by Terremark. This API consists of a subset of standard vCloud API calls that have been customized for a Terremark installation as well as Terremark-specific API calls. The new vCloud service has been tested to work with the vCloud drivers of libcloud and Red Hat deltacloud.
With this new cloud service, OpenNebula implements most common Cloud interfaces: Amazon EC2 Query, OGF OCCI and VMware vCloud. Besides theses interfaces, OpenNebula also brings libvirt and a powerful CLI, and all of them can be used on the same OpenNebula instance, so users can use their favorite interface. Moreover all those interfaces can be used on any of the virtualization technologies supported, Xen, KVM and VMware. These unique features confirm OpenNebula as the leading open-source technology for cloud computing, and demonstrate its adaptability and extensibility capabilities that many enterprise IT shops need for internal cloud adoption.
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