Software Architect's Handbook

Software architecture patterns

A software architecture pattern is a solution to a recurring problem that is well understood, in a particular context. Each pattern consists of a context, a problem, and a solution. The problem may be to overcome some challenge, take advantage of some opportunity, or to satisfy one or more quality attributes. Patterns codify knowledge and experience into a solution that we can reuse.

Using patterns simplifies design and allows us to gain the benefits of using a solution that is proven to solve a particular design problem. When working with others who are familiar with patterns, referencing one of them provides a shorthand with which to reference a solution, without having to explain all its details. As a result, ...