Detailed design - Definition - Designing the System

Discussion

• Nirja Shah   -Posted on 15 Oct 15
  Software Design Levels
  
  - Software design yields three levels of results which are as follows:
  
  Architectural Design
  - It is the highest abstract version of the system.
  - The software as a system with many components interacting with each other are identified in this design.
  - At this level, the designers get the idea of proposed solution domain.
  
  High-level Design
  - This design breaks the ‘single entity-multiple component’ concept of architectural design into less-abstracted view of sub-systems and modules and depicts their interaction with each other.
  - It focuses on how the system along with all of its components can be implemented in forms of modules.
  - Modular structure of each sub-system and their relation and interaction among each other are recognized at this level.
  
  Detailed Design
  - This design deals with the implementation part of what is seen as a system and its sub-systems in the previous two designs.
  - It is more detailed towards modules and their implementations.
  - The logical structure of each module and their interfaces to communicate with other modules are defined at this level.

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