RE: [Xen-users] NIST Net emulator with Xen

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> dgreen@xxxxxxxxxxx
> Sent: 15 March 2007 14:54
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] NIST Net emulator with Xen
> 
> General inquiry to the mailing listing asking if anyone has 
> implemented
> NIST Net (network traffic emulator) with Xen, particularly on domU's. 
> Searches only result in academic papers or short snippets of 
> posting with
> no depth.  Looking for instruction set or installation of 
> NIST Net within
> a Xen environment.
> 
> (Instructions from NIST Net aren't applicable to Xen's virtual
> implementation.)

I don't know much about nist, I just spent a few minutes looking it up
whilst waiting for a machine to reboot.

NIST requires a kernel module for the network emulator. That module can
probably be compiled for para-virtual XenU kernel, which would allow it
to run as a Xen domain in Para-virtual mode. One problem is that the
document I looked at didn't show a 2.6.x kernel version of the emulator
module - Xen para-virtual mode only supports Linux 2.6.x kernels (x
varies depending on which version of Xen). 

If that is not possible (e.g. the kernel module doesn't come as
source-code or no 2.6 kernel module), you should be able to run it as a
fully virtualized domain without any problems (as long as NIST only
requires a "standard PC", which is what the docs seem to indicate). Full
virtualization in Xen requires a processor with virtualization
extensions, i.e. AMD-V or Intel VT. 

--
Mats
> 
> Thanks in advance.
> 
> Vince
> 
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