Re: [Xen-users] Xen Performance

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Sat, Oct 10, 2009 at 4:53 PM, Igor S. Pelykh <kesha@xxxxxxxxxxxxx> wrote:
> Hello xen-users,
>
> How can I to increase performance of network layer?
> And what is better (easy) for topology of DomU network (bridge, route,
> NAT )?

IMHO for network setup it's easier to use bridge. That you manage your
dom0 (network-wise) the same way you manage your L2 or L3 switch. When
you need NAT, you can use bridge + NAT (which is what libvirt does
with virbr0).

Performance-wise, I didn't have to do any tweaking with RHEL5. domU
can easily saturate uplink, with domU <-> domU throughput in the range
of 2-3 Gbps. Some people have reported problems (search the list
archive) with recent pv_ops dom0 kernel.

-- 
Fajar

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