Overview
            What is it, why bother?
            Architecture Design
            Viewpoints and view models
            Architectural styles
            Architecture asssessment
            Role of the software architect
                                                         SE, Software Architecture, Hans van Vliet,  ©2008       2
           The Role of the Architect
                                    requirements                      solutions
                        client,                        architect
                         users                                                       developers
                        assess                         creates                         assess
                                     visualises                         prescribes
                       appearance,                   architectural                  construction,
                        behaviour                       design                      co-operation
                                                         SE, Software Architecture, Hans van Vliet,  ©2008       3
           Pre-architecture life cycle
            stakeholders                           requirements                    quality
                  (few)
                                                                   agreement
                                                                 development
                                                         SE, Software Architecture, Hans van Vliet,  ©2008       4
           Characteristics
            Iteration mainly on functional requirements
            Few stakeholders involved
            No balancing of functional and quality 
               requirements
                                                         SE, Software Architecture, Hans van Vliet,  ©2008       5
           Adding architecture, the easy way 
            stakeholders                           requirements                    quality
                  (few)
                                                                   agreement
                                  architecture
                                detailed design                  development
                                implementation
                                                         SE, Software Architecture, Hans van Vliet,  ©2008       6