🧠 Application Architecture Artifacts

Why should you use specific viewpoints in application architecture modelling?

To address stakeholder needs and relevant problems clearly and efficiently.

What is the Application Portfolio Catalog?

A catalog listing logical and physical application components; used as the starting point in application architecture.

What is the difference between logical and physical application components?

• Logical: Technology-agnostic functionality

• Physical: Actual deployed software/service (e.g., SAP, Oracle)

What does the Application Communication Diagram show?

Interfaces between applications, plus optional associations with data or business services.

Should the Application Communication Diagram include technical detail?

Only where relevant — keep it logical and high-level for clarity and stakeholder value.

What is the Application Organization Matrix used for?

Shows which units use which applications; supports gap analysis and understanding support requirements.

Which type of modeling is better for stakeholders?

Diagrams/models for communication; matrices for backend data analysis.