15. An apparatus comprising: a set of one or more processing units; and a deployment modeling language tool unit operable to, read a stereotype of a first profile, wherein the stereotype defines constraints to be applied to a model associated with the first profile; determine that the stereotype indicates a second profile and a third profile; access the second profile and the third profile; and aggregate a plurality of constraints from across the second profile and the third profile for use as constraints for the stereotype of the first profile, wherein the profiles and the stereotype comport with semantics of a modeling language.
15. An apparatus comprising: a set of one or more processing units; and a deployment modeling language tool unit operable to, read a stereotype of a first profile, wherein the stereotype defines constraints to be applied to a model associated with the first profile; determine that the stereotype indicates a second profile and a third profile; access the second profile and the third profile; and aggregate a plurality of constraints from across the second profile and the third profile for use as constraints for the stereotype of the first profile, wherein the profiles and the stereotype comport with semantics of a modeling language. 20. The apparatus of claim 15 , wherein the modeling language comprises the unified modeling language.