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

["Ross C Mcilroy" <mcilrorc@xxxxxxxxxxxxx>]

>> 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


How difficult would it be to put it back in?  If it was not a big job I
wouldn't mind trying to get it working myself.  Why was it taken out in
the first place?

Thanks

Ross


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