Cloud computing currently is covered by three models offering Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS), which all involve the on-demand delivery of computing resources. There are a growing number of providers offering IaaS solutions for elastic capacity, whereby server “instances” are executed in their proprietary infrastructure and billed on a utility computing basis (typically virtual machines on a per instance per hour basis). There are also a number of commercial and open source products which seek to replicate this functionality in-house while exposing compatible interfaces so as “hybrid cloud” operating environments can be created.
The Open Grid Forum Open Cloud Computing Interface (OCCI) working group will deliver an API specification for remote management of cloud computing infrastructure, allowing for the development of interoperable tools for common tasks including deployment, autonomic scaling and monitoring. The scope of the specification will be all high level functionality required for the life-cycle management of virtual machines (or workloads) running on virtualization technologies (or containers) supporting service elasticity.
OGF Open Cloud Computing Interface Working Group
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