Aspect-oriented programming technology implements the software systems using crosscutting. Aspect-orientation can be modeled by extending UML, and AOSD model profile can be designed in the meta –model. The profile builds the aspect models from structural model, behavioral model, aspect and aspect weaving. Timing requirements could be separated from the system according the separation of concerns techniques, expressed as a time-aspect independence of the system, the real-time systems could be modeled from the static structure, dynamic behaviors and weaving of the time-aspect
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