[Xen-devel] Re: Install paravirtualized drivers after booting forhigh-performance IO

["Arlen.D.Wang" <dengyu@xxxxxxxxxxxxxxxx>]

Yes, Thank you .

Where is get  a reference to the Windows support using Vanderpool Technology 
?
Who is doing that Windows support using Vanderpool Technology ?

If Xen can run unmodified Linux , then Xen can run unmodified Windows also , 
right ?

DengYu  Wang

"Mark Williamson" <mark.williamson@xxxxxxxxxxxx> 
дÈëÏûÏ¢ÐÂÎÅ:200505091257.04034.mark.williamson@xxxxxxxxxxxxxxx
> Hi there,
>
> I expect you've seen a reference to the Windows support using Vanderpool
> Technology?
>
> The current VT implementation provides an emulation of real hardware 
> devices
> (e.g. an NE2000 ethernet card) to the guest OS.  This has the advantage 
> that
> you can boot an unmodified OS and it'll recognise the emulated devices and
> Just Work.  This will allow you to install the OS using its usual 
> installer
> and get things up and running.
>
> However, you pay a performance price for emulating a device like this. 
> The
> most straightforward way to solve this is to replace the emulated device
> drivers with Xen-aware drivers (like the ones used by the Xen-native Linux
> port).  Once you've installed the OS, you can upgrade to the Xen device
> drivers.
>
> This should give better bandwidth for things like disk and network IO.
>
> Does that help?
>
> Cheers,
> Mark
>
>>     What is "high-performance IO" ?
>>     What meaning for "Install paravirtualized drivers after booting for
>> high-performance IO"?
>>
>>     Thanks, 




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