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Re: [Xen-devel] Does XEN use TUN/TAP interface?

To: Pavel Muller <pav.muller@xxxxxxxxx>
Subject: Re: [Xen-devel] Does XEN use TUN/TAP interface?
From: Daniel Stodden <stodden@xxxxxxxxxx>
Date: Sun, 16 Mar 2008 18:07:27 +0100
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On Sun, 2008-03-16 at 17:50 +0100, Daniel Stodden wrote:

> No. TUN/TAP is typically used for hosted VMs. Broadly speaking, it's
> only useful if a significant part of the VMM is running in user mode on
> top of a native Linux, as is the case with VMware Workstation,

BTW: don't get me wrong: VMware isn't using TUN/TAP, just hosted.
VirtualBox can use TUN/TAP, but the default vbox setup for a simple
desktop VM is typically NAT. Via a custom kernel module, which does not
create a dedicated host interface.

Daniel

-- 
Daniel Stodden
LRR     -      Lehrstuhl für Rechnertechnik und Rechnerorganisation
Institut für Informatik der TU München             D-85748 Garching
http://www.lrr.in.tum.de/~stodden         mailto:stodden@xxxxxxxxxx
PGP Fingerprint: F5A4 1575 4C56 E26A 0B33  3D80 457E 82AE B0D8 735B



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