What's the difference between Architectural Patterns and Architectural Styles?

Question

In Software Architecture - Foundations, Theory and Practice, I can find definitions for both. The problem is that I don\'t get what each one of them means in plain Engl

Answer 1

Architectural Style is abstract i.e. conceptual.

+---------------+--------------------------------------------------------+
|   Category    |                  Architecture styles                   |
+---------------+--------------------------------------------------------+
| Communication | SOA, ROA, Message Bus                                  |
| Deployment    | Client/Server                                          |
| Domain        | Domain Driven Design,Monolithic application            |
| Structure     | Component-Based, Object-Oriented, Layered, Plug-ins    |
+---------------+--------------------------------------------------------+

An Architectural Pattern is concrete i.e. implementation of an Architectural Style.

• For example: 3-tier, N-tier, MVC, REST

A Design pattern is a general reusable solution to a commonly occurring problem in software design at architectural level.

• For example: Factory, Singleton, Prototype.

Analogy: Temples architecture style for different religions: