Microsoft has deferred a latest update of the current virtualization software and the also its beta debut of the next successor and code named it as Viridian. Viridian is also called as Windows Server virtualization; it’s a public beta version and is ready to release by June, 2007. But the release is expected only after June, 2007 as it’s been reported in a blog by Microsoft’s virtualization strategy’s general manager, Mr. Mike Neil. Due to this delay the service pack of present version of Virtual Server 2005 R2 will not be available and is scheduled to March. But Microsoft is planning to release the final version of Viridian, Longhorn Server as planned.
Longhorn Server is the Microsoft’s next server operating system on which Viridian will be a part of. The release of the final version of Longhorn Server is planned for the year end of 2007 and the Viridian would come into existence within 6months of the operating system. Virtualization software is responsible for running multiple operating systems synchronously on a single computer using different partitions known as Virtual machines. Using this concept administrators can succeed the idle computers with one effectively working server for long term basis and can create a pliable computing infrastructure.
This technology is spreading on mainstream of servers using the x86 processors like Intel’s Xeon, Opteron an Advanced Micro Devices processor. Microsoft is among one of competitors trying to capture the customers from market leaders VMware. In Virtualization concept the competitors must work very intimately, concurrently that may be unskillful. An example of this is explained as follows, VMware has publicly derogated the Microsoft’s virtualization rules and Microsoft has milled with other open-source competitor XenSource in a pursuit to confirm that both Windows and Linux can be executed on each other companies Virtualization foundation.
Red Hat Enterprise Linux and Novell’s Suse Linux Enterprise Server are the two major commercial versions of Linux that the Virtualization software is now built upon, these two servers and its products use the open-source Xen project, a hypervisor. Viridian is another hypervisor that executes software between the layers of operating systems and the systems hardware and this arbitrates between these two layers. Microsoft’s present Virtualization software is Virtual Server and Virtual PC that executes on Windows. Windows as host operating system executes on virtual machine as guest operating system.
Virtual Server 2005 R2 SP1’s beta version is accessible and has important features like compatibility with IVT and AMD-V virtualization technology built into Intel and AMD processors that supports the Windows Vista. The Volume Shadow Service allows the administrators to back up group of virtual machines in one plunge by having the image of the physical server on which it is executing. Neil has reported that Virtual PC, Microsoft’s desktop virtualization product is available on the site for free and above 1million people has downloaded till now.

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