________________________________
From: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] On Behalf Of White,
Nathan
Sent: 23 August 2006 18:07
To: xen-users@lists.xensource.com
Subject: [Xen-users] networking in hvm environment
I am running windows fully virtualized under Fedora Core 5. The
default network adapter shows up as a AMD PCNET adapter, running at
10Mbps. Is there a faster virtual network driver available for the HVM
environment?
I doubt it will make any difference to actual transfer rates, but there
are some other network cards you can use from the device model: ne2000
and (in the latest versions of Xen) rtl8139.
But the 10Mbps isn''t going to affect your actual transfer rate, as all
that actually happens is that the packet is sent from the device model
(qemu-dm) to Dom0 for further transmission (either to another local
domain or to the rest of the world). In the "rest of the world" case
it''s being transmitted on your REAL ethernet card, which may well be a
gigabit card. And you can probably achieve a bit more than 10Mbps, but
also bear in mind that the network card IS EMULATED by qemu-dm, so it''s
not going to be the same performance as some real hardware.
--
Mats
Thanks
--Nate
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