1. Systems Architecture and Engineering

2. Course Philosophy
Don’t accept definitions and ideas without questioning.
Learn to comment and analyze ideas.
Use the things that work for you.
Don’t ignore the rest! It too may be useful.

3. Things about Architecture
Relatively new subject! (Mid 90’s)
Will it last?
Case Tools
Top down design
Chief programmer team
Software design remains a wicked problem!

4. Defining Systems Architecture
Lack of a universally accepted definition
Not to worry:
Humans don’t require a formal definition
Find a definition that works for you

5. Tools Software development tools: Architects need tools also!
See the Vasa pg 4 & 5

6. Architecture Business Cycle
A Tool
Understanding
Analysis
A model

7. Architecture Production A Simple Model
Specifications
Architecture
Business
Decisions

8. A dose of reality Stakeholders Developing Organization Architect
Technical Environment

9. ABC Stakeholders Specs Developing Organization Architecture Technical
Environment
System
Architects
Experience

10. ABC – the cycle Stakeholders Specs Developing Organization
Technical
Environment
Architects
Experience
Specs
Architecture
System

11. Activities in ABC Business Case Understanding Requirements
Create or Select Architecture
Communicating Architecture
Analyze or Evaluate Architecture
Implement
Ensure Conformance

12. Properties of a Good Architecture