AMD to simplify V2V with AMD-V Extended Migration
Date: September 03, 2007
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In a new white paper made available this week, AMD today disclosed details about "AMD-V Extended Migration", a feature dating back to the First-Generation AMD Opteron processor that enables virtual machines to migrate between different versions of AMD processors. AMD has worked with VMware, the industry leading virtualization software provider, to refine this feature in order to enable a key functionality designed to help IT managers fully leverage the benefits of virtualized IT infrastructures. In addition, to further contribute to the industry discussion around how to implement and manage virtualization capabilities...
AMD-V Extended Migration provides the necessary support for virtualization software to mask the differences between CPU generations, facilitating the safe live migration of virtual machines between servers running different generations of AMD processors. This includes existing single-core and dual-core processors and all future AMD processor revisions, including the upcoming "Barcelona" Quad-Core AMD Opteron processors, the first native x86 quad-core microprocessor.
AMD-V Extended Migration helps to protect a user's investment by providing flexible migration policies, which in turn broaden the benefits of a virtualized datacenter. For several generations, AMD processors have included specialized model-specific registers that supply information about the underlying CPU, the instructions it is running, and its configuration. By allowing the virtual machine to use only those features common across a pool of AMD Opteron processor-based servers of varying generations, AMD-V Extended Migration enables compatible virtualization software to more effectively leverage those servers.
The original version here...
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