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  Longhorn Architecture Diagram
Time: 17:02 EST/22:02 GMT | News Source: E-Mail | Posted By: Jonathan Tigner

Thanks BobSmith. Microsoft's Brad Abrams writes, "JimAll quickly showed a version of this Longhorn Architecture Diagram during his keynote and many of the breakouts use it. I thought you’d like to have the raw diagram. Very cool way to look at how Longhorn is built."

Click the headline to get the diagram that is linked from Brad's blog entry.

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#1 By 1845 (12.209.152.69) at Sunday, November 02, 2003 08:16:05 PM
I'm not sure exactly how to take this diagram. Does it mean that everything below the CLR is unmanaged and everything above it is managed? It seems like this diagram speaks more about grouping than it does about dependencies.

The primary reason I say this is DirectX. DirectX is now shown above CLR, so one conclusion to draw is that DirectX will be unmanged. I dbout, though, the DirectX will be unmanged. Since I assume it will be managed, this naturally implies a CLR dependency.

The aside, since the Windows Shell is managed in Longhorn, the CLR will already be running and won't need load itself up to service a particular app.

I could be wrong. I'm just guessing here.

#2 By 20 (67.9.179.51) at Sunday, November 02, 2003 09:29:10 PM
I see the CLR as being in the OS section, but not necessarily below everything. Many of the things above it depend on it, but not necessarily.

DirectX is both managed and unmanaged. There is an unmanaged core, but a RFF (really-friggin-fast) managed access to it.

As for the CLR sitting very low, I think the effect is like what Bob said... a new CLR doesn't have to be created from scratch every time you run a .NET app, it's already created, it just creates a new app domain for you or something to that effect



 

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