Patterns

Patterns in system modeling refer to the application of established design patterns to address common architectural and structural challenges in the design and development of complex systems. These design patterns, often derived from software engineering, provide proven and reusable solutions to recurring problems. Applying patterns in system modeling helps improve the system’s quality, maintainability, and scalability.

Here are some common patterns used in system modeling:

• Layered architecture pattern: This pattern divides the system into multiple layers, each with a specific responsibility. Layers communicate with adjacent layers using defined interfaces. Common layers include presentation, business logic, and data access layers. Many other patterns are implementations of the layered architecture. The architecture in our example ticketing application is three-tiered, with the layers being the web browser, web server, and database server. Figure 5.5 shows...