(Source: Microsoft via Charon via ZDnet)
User would have unique desktop accessible from any machine; company would sell "Desktop as a Service"

Microsoft CEO Steve Ballmer's comment that Windows 8 was his company's most risky endeavor sparked much curiosity.  Little is currently known about the upcoming operating system.  So why is Windows 8 such a high risk proposition for Microsoft?

The answer to that may have come in a newly surfaced slide deck from the Microsoft architectural summit held in London in early April 2010.  In the deck Microsoft describes how Windows 8 (referred in the deck as "Windows NEXT") will be the company's first OS to throw the user deep into the world of virtualization.

With a traditional OS, maintenance burden is on the user or their hired help.  The company writes in the presentation, "[Customers today] see application compatibility issues, they see DLL hell, they see an inability to manage efficiently, they see high costs associated with maintenance and upgrades, they see a relatively short lifespan…..This cannot continue. Customers are increasingly refusing to let this continue."

Microsoft's answer is to deploy "native VHD" (virtual hard disk) capabilities with Windows 8 and change its sales model from OS as a service to "desktop as a service" (DaaS).  The slides indicate that under Windows 8, user apps and data will be "treated as cached entities and synchronized with an appstore and 'user state store'".

The approach has definite advantages.  Microsoft could remotely fight malware and fix compatibility issues as they occurred, rather than trying to update OS installations after trouble occurs.  And if a user lost their laptop, they wouldn't lose access to their installed programs and data.

The company writes, "[T]he desktop should not be associated with the device. [T]he desktop can be thought of as a portal which surfaces the users apps, data, user state and authorization and access."

The new virtualization technology is founded on Microsoft's existing virtualization portfolio -- Virtual desktop infrastructure (VDI); application virtualization (App-V, MED-V, Remote Apps, Terminal Server); OS virtualization (Remote Desktop, Terminal Services, VDI); data virtualization (folder redirection and synch); hardware virtualization (Hyper-V); and various System Center management offerings.

This would be a huge change for Microsoft, and it would put the company's direction in line with Google's plans for its upcoming netbook/tablet Chrome operating system.  But its also a huge risk as virtualization is something utterly unfamiliar to most customers.

As many are speculating, Microsoft may partially back off fully virtualizing all its commercial Windows 8 offerings.  With a launch in "2012+" scheduled, beta builds are widely expected to come in 2011.  These builds should reveal whether the ambitious DaaS redesign persisted.  And if Microsoft indeed goes ahead with this concept, the reaction it gets from the beta may play a role in just how deep Microsoft jumps into the virtualization waters.

"If you can find a PS3 anywhere in North America that's been on shelves for more than five minutes, I'll give you 1,200 bucks for it." -- SCEA President Jack Tretton

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