[Engine-devel] Network Quality of Service 3.3 - Feature design

Itamar Heim iheim at redhat.com
Sun Jun 2 07:34:47 UTC 2013


On 06/02/2013 09:58 AM, Ofri Masad wrote:
> Hi all,
>
> A new Feature page for "Network Quality of Service" feature was published.
>
> http://www.ovirt.org/Features/Design/Network_QoS
>
> You are more than welcome to share you thoughts and insights.
>
> Thanks,
> Ofri.
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> Engine-devel mailing list
> Engine-devel at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/engine-devel
>


some questions:
1. "In the Add/Edit Network two parts will be added - one for the QoS 
properties of the network, the other for the QoS properties preset for 
VNICs attached to the network."

so the first part of QoS for network is the limit of the logical network 
on the host for all vnic's associated to it, compared to other logical 
networks?

2. "Only a user permitted to edit the network may edit the QoS 
properties in the network dialog or override the QoS properties in the 
VNIC dialog. "

why would a network operator (having permissions on networks) have 
permissions on specific VM's vnic's?
probably a special permission to edit network QoS at vm level is needed?

3. "outbound_burst 	Bigint "
just wondering - what numbers do you expect here that Integer like the 
average and peak is not enough?

4. "Old libvirt versions that have the global driver lock may have 
performance problems. It would be nice to check what version of libvirt 
is this going to run on"

old versions but 1.0.1 is required, does 1.0.1 have this issue?

5. behavior with provider networks (quantum)?

Thanks,
    Itamar



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