Software Architecture

Appreciation for Software Architecture

• operational NFRs (scalability, availability)

• developmental NFRs (testability, portability)

• constraints (pre-chosen system components and frameworks)

What 3 requirements affect system architecture?

inception

Which OpenUp phase is the architecture visualized in?

• provide broad ideas

• list recommended frameworks

What does it mean to visualize the architecture?

elaboration

Which OpenUp phase is the architecture built out?

• - architecturally-significant user stories are prioritized

• development team is lead by architect

• working increment at the end of elaboration forms the starting point of the system architecture

What does it mean for the architecture to be built out?

the logic that controls the flow of the application

What does the Application tier hold?

the core domain (aka “business”) logic

What does the Model tier hold?

layers

What is each row in the diagram called?

tiers

What is each column in the diagram called?

a pattern that helps to cleanly separate the business and presentation logic of an application from its user interface

What is the Model-View-ViewModel (MVVM) pattern?