Architecture

Question 1

What is a software architecture?

Answer 1

Result of design decisions
Comprises system’s structure:
- components, relationships
- mapping to execution environments (code)

Question 2

Which factors influence the software architecture?

Answer 2

Requirements (Functionality, speed, …)
Re-Use (Existing architectures, components, …)
Organization (Team size, experience, …) [Conway’s law]

Question 3

How does Model-View-Controller work?

Answer 3

Model provides funtional core
View displays information to user
Controller handles user inputs

Question 4

What layers are there?

Answer 4

External Interface / Frameworks & Drivers
Application / Interface Adapter / Controller (session handling, operations)
Domain / Application Business Rules / Use Cases
Infrastructure / Enterprise Business Rules / Entities

Question 5

What are some architectural view points?

Answer 5

Structural: What is the system?
Behavioral: How does it run?
Deployment: Where does it run?

Question 6

What are important terms in software architecture?

Answer 6

Architectural style: Solution principle (OOP, modular, …)
Architectural pattern: Pre-existing solution to recurring problem (MVC, Observer, …)
Reference architecture: Abstract structures, components, … for specific domain