Published at LXer:

Not only has virtualization advanced the state of the art in maximizing server efficiency, it has also opened the door to new technologies that were not possible before. One of these technologies is the virtual appliance, which fundamentally changes the way software is delivered, configured, and managed. But the power behind virtual appliances lies in the ability to freely share them among different hypervisors. Learn the ideas and benefits behind virtual appliances, and discover a standard solution for virtual appliance interoperability called the Open Virtualization Format.

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