Software Architect's Handbook

Overusing architecture patterns

While leveraging architecture patterns is a valuable tool, don't force the use of a particular pattern. A common mistake with design and architecture patterns is to use one even if it is not appropriate to do so.

A developer or architect may become aware of a particular pattern and then become overzealous in their desire to use it. They may apply a pattern just due to their familiarity with it.

The key is to gain knowledge of the patterns that are available and an understanding as to the scenarios in which they should be applied. This knowledge allows a software architect to select and use the appropriate pattern. A software architecture pattern should only be used if it is the best solution for a given design ...