UML 2.0 RFPs Superstructure Diagram Interchange Defines user-level constructs to specify structure and behavior of systems(e.g.,class diagrams,sequence diagrams) Infrastructure OCL Defines basic constructs to specify UML and to customize it for specific domains (e.g.,real-time) Tian Zhang Nanjing University 5Tian Zhang @ Nanjing University 5 UML 2.0 RFPs Diagram Interchange Infrastructure OCL Defines basic constructs to specify UML and to customize it for specific domains (e.g., real-time) Superstructure Defines user-level constructs to specify structure and behavior of systems (e.g., class diagrams, sequence diagrams)