Good Software Architecture

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March 22, 2010 by huionn

Conceptual Integrity (Consistency)

it allows a developer who already knows about one part of a system to quickly understand another part.

Layered Architecture

  • user interface or presentation layer
  • application or service layer
  • domain layer
  • infrastructure layer

In domain layer, it is possible to be sliced into responsibility layers:

for example:

  • operational responsibilities
  • capability responsibilities
  • policy responsibilities
  • decision responsibilities

or

  • Knowledge level (meta level)
  • Operations level (base level)

Modular Design

Segments are organized into a set of cohesive and loosely coupled subsystems. Functionalities of a module are exposed externally through its well-defined and well-designed public interfaces. Its internal implementation are hidden from other modules.

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