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Re: [Xen-users] Xen domU and bandwith limitation

From: "Todd Deshane" <deshantm@xxxxxxxxx>

Date: Sat, 26 Jan 2008 00:37:09 -0500

Delivery-date: Fri, 25 Jan 2008 21:37:45 -0800

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List-id: Xen user discussion <xen-users.lists.xensource.com>

On Jan 24, 2008 6:15 PM, Guillaume Thiery <gthiery@xxxxxxxxxxxx> wrote:

Hi,

I working on the development of virtual dedicated server using Xen. I have
succeeded in configuring the xen domU and to allocate part of the server
ressources to the domU but I cannot find a solution to fix a defined amount
of the bandwith to each of the domU.
I'm using the bridgge scripts and I have seen on internet that I could
perhaps use tc to control the bandwith but the tries I've made didn't work.

Does anyone ever done this? Do you know means to allocate part of the
bandwith to domU ?

I think what you are looking for is vif rate limiting. There is a rate= option for vifs

vif = [ 'rate=2Mb/s'] for example

for some discussion on it see also:
http://lists.xensource.com/archives/html/xen-devel/2007-03/msg00178.html

I would guess that you could also use iptables or similar network tools that could provide network quality of service (Qos) at that level maybe?

Regards,
Todd

Thanks a lot for your help.

Best regards
Guillaume Thiery

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