From Objects to Services: A Journey in Search of Component Reuse Nirvana

The continuing journey of using the OO approach as the basis for reusable components for ever increasing complex applications provides insight into the requirements for any supporting architecture, design and technology. OO started with solving some key issues in programming, providing an abstraction that was much more amenable to change than functional components. From programming, we turned our efforts to analysis and design, developing methodologies for identifying objects in the problem domain described by requirements and transitioning these into logical software objects that can be implemented in OO programming languages. From analysis and design methods, we moved on to architectures, design patterns, and frameworks. These allowed us to extend the scope of component reuse to entire enterprise systems.