Linux Heavies Plan Lightweight Virtualization

Red Hat and Novell, the two top Linux sellers, have only just begun building Xen virtualization software into their products. But they’re already planning to add a higher-level option. Xen is a ‘hypervisor’ that lets a single computer run several operating systems simultaneously, using an idea called ‘virtualization’. This enables companies to use a single server more efficiently – something that could save them money. Now ‘containers’, a higher-level virtualization approach that makes a single operating system look like many, is also getting traction.


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