RE: [Xen-users] Very bad network performance between domU and dom0

["JHJE (Jan Holst Jensen)" <jhje@xxxxxxxxxxxxxxx>]

> > I can confirm that XenExpress contains those. The network 
> > driver reduced ping response time on a HV Win2003 Server 
> > VM from 7-8 ms to less than 1 ms, so it gives a huge 
> > performance boost.
> 
> Can you give me some hints on how to get that driver out of
> XenExpress and into an installed Windows XP virtual machine?
> I wouldn't want to do a complete installation of XenExpress onto
> my virtual Windows machine.

Hi Klaus.

My understanding is that the PV drivers for Windows are not open-sourced
so I guess you need to install XenExpress on the host instead of open
source Xen to get access to them. I installed XenExpress on my test
machine (since I had trouble building Xen from source), installed a HV
Win2K3 server guest and once it was up and running I simply pointed its
virtual CD drive to the xswindrivers.iso image and that started the
installation of PV drivers in the Win2K3 guest. Don't know if they are
compatible with an open source Xen hypervisor though - and I don't know
what the license is on those drivers.

Cheers
-- Jan

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