Key Activities in Architectural Design


 

Key Activities in Architectural Design


1. Understanding Requirements and Constraints

Before designing, a deep understanding of both functional (what the system does) and non-functional requirements (how well the system performs, its security needs, scalability, etc.) is essential. Constraints, such as budget, timeline, existing technologies, or regulatory compliance, also heavily influence design choices.

2. Identifying System Context

Define how the software system interacts with external entities (users, other systems, hardware). This helps in establishing clear boundaries and interfaces. Tools like Context Diagrams are often used here.

3. Decomposing the System (Structural View)

This involves breaking down the overall system into logical, cohesive, and loosely coupled components or subsystems. This step aims to manage complexity by dividing the problem into smaller, more manageable parts.

4. Defining Component Responsibilities and Interfaces

For each identified component, clearly define its specific responsibilities (what it does) and its interfaces (how it communicates with other components). Clear interfaces are vital for promoting modularity and reducing dependencies.

5. Selecting Architectural Styles/Patterns

Architects often draw upon established architectural styles or patterns that provide proven solutions to common design problems.


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