4. The system of claim 1 , in which the model defines a relationship between (i) users in each of one or more classes and (ii) estimated consumption of resources by such users during execution of the application.
4. The system of claim 1 , in which the model defines a relationship between (i) users in each of one or more classes and (ii) estimated consumption of resources by such users during execution of the application. 9. The system of claim 4 , wherein the quotas include any of (i) maximum permitted usage of the application by users in each of one or more classes, and (ii) expected usage of the application by users in each of one or more classes.