The December 2012 issue of the IEEE Computer Magazine includes an article entitled “IaaS Cloud Architecture: From Virtualized Datacenters to Federated Cloud Infrastructures” that presents an architecture reference model for IaaS clouds, introduces the cloud OS (Operating System) as the core component of this architecture, and discusses the different approaches for cloud federation. The article mentions OpenNebula as an open-source reference implementation of the cloud OS platform that is responsible for managing the physical and virtual infrastructure, orchestrating and commanding service provisioning and deployment, and providing federation capabilities for accessing and deploying virtual resources in remote cloud infrastructures.

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