Checklist: Design Model
This checklist helps make sure that a the Design Model is specified correctly.
Related Elements
Main Description

Check Items
  • The objectives of the model are clearly stated and visible.
  • The model is at an appropriate level of detail given the model objectives.
  • The model's use of modeling constructs is appropriate to the problem at hand.
  • The model is as simple as possible while still achieving the goals of the model.
  • The model appears to be able to accommodate reasonably expected future changes.
  • The design is appropriate to the task at hand (neither too complex nor too advanced).
  • The design appears to be understandable and maintainable.
  • The design appears to be implementable.
  • There are no more than seven (plus or minus two) layers.
  • The rationale for layer definition is clearly presented and consistently applied.
  • Layer boundaries are respected within the design.
  • Layers are used to encapsulate conceptual boundaries between different kinds of services and provide useful abstractions which makes the design easier to understand.