Using the quota system would be a nice option to have.

Can you clarify what you mean by cumulative bandwidth for the tenant? It would 
be possible to rate limit at the tenant router, but having a cumulative limit 
enforced inside of a tenant would be difficult.

On Wed, Sep 10, 2014 at 1:03 AM, Giuseppe Cossu 
<giuseppe.co...@create-net.org<mailto:giuseppe.co...@create-net.org>> wrote:

Hello everyone,

Looking at the QoS blueprint (proposed for incubation), I suggest to consider 
adding some parameters to Neutron Quotas. Let’s suppose using rate-limit for 
managing QoS. The quota parameters could be such as rate_limit (per port) and 
max_bandwidth (per tenant). In this way it is possible to set/manage QoS quotas 
from the admin side, and for instance set the maximum bandwidth allowed per 
tenant (cumulative).
What do you think about it?

I’m cautious about this.  We’d either need to allow a “Number of DSCP settings” 
and set them outside the quota or leave it out altogether.  Let’s not forget 
that there’s more than just rate limiting in QoS, and we need to make sure all 
the options are included.  Otherwise, there’s going to be a lot of user and 
operator confusion as to what is and isn’t considered part of the quota.
-Anthony

Regards,
Giuseppe

--------------------------------------------------------
Giuseppe Cossu
CREATE-NET
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