Re: [Xen-devel] Limiting Domains' Network Network Transmit Rate

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 23 Feb 2005, at 15:02, Ross C Mcilroy wrote:

> I was wondering if it is possible to limit the rate of packet
> transmission for individual domains.  The "Safe Hardware Access..."
> paper mention's a credit based scheduler for network transmission, 
> which
> would seem to be perfect for what I need, however in the Xen netback
> driver source code, the credit code seems to be taken out by the
> pre-processor (with a "#if 0").
>
> Would this credit code work if I put it back in, and if so, how can the
> credit for each vif be set?  If this would not work is there any other
> way of limiting the network transmission of individual domains?
Yes, we should add that back in at some point. An alternative is to use 
the existing 'tc' functionality in Linux for network traffic shaping 
and policing.
 -- Keir



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