If you degrade by client or query class then in the case of just one class of query or one class of client you would have an unfair distribution, because one cl

If you degrade by client or query class then in the case of just one class of query or one class of client you would have an unfair distribution, because one client could consume many resources and others would be limited to whatever's available on the margins. I would like to see an adaptive system that, when resources are scarce, pushes towards a more equitable distribution.