SELs Software ProcessImprovement Program

1
SELs Software Process-Improvement Program

• Vic Basili et al.
• IEEE Software, Nov 1995

2
Numbers

• What are your favorite numbers or results
  from this article?
• Error detection rates half per phase
• Cleanroom works
• Effort distribution
• 11 overhead

3
Goals

• Which of the following are the current goals of
  SEL?
• A. Smaller products
• B. Faster turnaround
• C. Process Improvement
• D. Understanding Baseline
• E. Tech Transfer
• F. ?

4
Baseline

• What is a baseline?
• A. line between home and first
• B. average values
• C. first version of a product
• D. minimum schedule

5
SEL and baselines

• Why are baselines important to SEL?
• A. assess improvements
• B. demonstrate that SEL is working
• C. easy to plot
• D. document that process are being applied
  correctly

6
Planning

• Which of the following is part of SELs
  procedures?
• A. clear goals for a project
• B. packaging improvements
• C. assessing changes
• D. measure
• E. adopt, discard, or revise

7
Class Discussion

• What would be the advantage of making every
  development an experiment?
• What goals would be appropriate in a company?

8
Software Process Improvement at Raytheon

• Thomas Haley
• IEEE Software Nov 96
• text pp76-84

9
A Software Business

• As with most system houses, softwares role at
  Raytheon expanded dramatically during the 80s

10
Question

• When does a company become a software company
• A. When the software revenues become a majority
  of the business
• B. When the areas of growth are in software
• C. When all of the management realizes it

11
SPI critical activities

• Establish a strong and effective software process
  infrastructure for continuous improvement and to
  maintain the teams enthusiasm over time
• measure and analyze process and project data to
  quantify the benefits of spi

12
Working Groups

• Policy and procedures
• Training
• Tools and methods
• Process database or metrics

13
Leverage Points

• Product Improvement
• system definition, software requirements,
  inspections, testing
• Process Improvement
• planning, pathfinding

14
Cost of Quality

• Nonconformance
• direct and indirect costs of rework
• Conformance
• appraisal and prevention costs
• Which is now higher in Raytheon?