Software Engineering

1
Software Engineering

• Processes
• Lecture 2

2
Software Engineering Layers

• Tools
• Methods
• Process

3
Phases of SE

• Definition
• System Engineering
• Project Planning
• Requirements Analysis
• Development Phase
• Design
• Coding
• Testing

4
Phases of SE

• Maintenance Phase
• Error correction
• Future modifications
• adaptation
• enhancements
• Prevention

5
Reasons for modeling a process(Pfleeger)

• To form a common understanding
• To find inconsistencies, redundancies, omissions
• To find and evaluate appropriate activities for
  reaching process goal
• To tailor a general process for the particular
  situation in which it will be used

6
Process

• Desire for process maturity
• SEI CMM (p544 550, please read)
• Software Configuration Management
• SQA, defect management
• Project planning
• Process Definition
• Training
• Peer reviews, etc.

7
Waterfall Process model
8
The V Model
9
Prototype
10
Rapid Application Development
11
Incremental
Note Incremental vs. Iterative development
what is the difference?
12
Spiral
13
Win-Win Spiral
14
eXtreme Programming (XP)

• A lightweight software methodology
• Uses
• Significant customer involvement
• User Stories (Use cases)
• Pair programming
• Very short iterations

15
Concurrent Development
16
Component Based Development
17
Other Process Models

• Formal Methods
• The Transformation model
• 4GT
• RUP

18
Text focus

• Chapter 2, sections 1, 2, 5, and 6
• Chapter 12, p. 544-550