Re: [Xen-users] Para-virtualization vs Full-virtualization

["Nick Couchman" <Nick.Couchman@xxxxxxxxx>]

Short Answer:
- Paravirtualization is done with a modified kernel that is "aware" that it's 
being virtualized.  This yields better performance, but requires either a) an 
open source kernel that the community has modified to support Xen, or b) the 
vendor responsible for the kernel to incorporate Xen support.  Linux, some of 
the BSDs, and Opensolaris support para-virtualization.
- Full Virtualization is done with a hardware emulation tool and 
processor-based virtualization support that allows you to run unmodified guest 
kernels that are not "aware" they are being virtualized.  The result is that 
you give up performance on these platforms.  Windows, NetWare, and most 
closed-source O/Ss require full virtualization.  Many of these guests have PV 
drivers available, though, which allow for devices like disks, network cards, 
etc., to run with improved performance.

-Nick

>>> On 2010/05/03 at 10:00, dky hax <dkyhax@xxxxxxxxx> wrote: 
> Hello guys,
> what are the differences between para-virtualization and full
> virtualization?
> 
> Thanks




--------
This e-mail may contain confidential and privileged material for the sole use 
of the intended recipient.  If this email is not intended for you, or you are 
not responsible for the delivery of this message to the intended recipient, 
please note that this message may contain SEAKR Engineering (SEAKR) 
Privileged/Proprietary Information.  In such a case, you are strictly 
prohibited from downloading, photocopying, distributing or otherwise using this 
message, its contents or attachments in any way.  If you have received this 
message in error, please notify us immediately by replying to this e-mail and 
delete the message from your mailbox.  Information contained in this message 
that does not relate to the business of SEAKR is neither endorsed by nor 
attributable to SEAKR.

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users