Software Life Cycle (SLC)

1
Software Life Cycle (SLC)

• formalizing the process of
• software development

2
Software Crisis

• Software is delivered over-budget, late, and not
  correct
• software complexity
• programmer productivity
• DeMarcos (IEEE Software Apr 94)
• only too costly because they would like to pay
  less
• only late because they want it sooner

3
Future of Software

• increasing complexity
• increasing criticality

4
How to achieve quality

• Top-down
• through software life cycle
• through quality improvement
• see Dilbert
• Bottom-up
• Personal Software Process

5
Software Requirements

• The starting point of
• software development
• He kept changing the requirements on us

6
SRS page 110 team project

• Software Requirement Specification
• Introduction
• Purpose, scope, system overview
• Definitions
• Use Cases
• Functional Requirements
• Nonfunctional Requirements
• Due Thurs, Sep 20 hardcopy at start of class

7
SRS Inspection Checklist page 118

• Apply checklist to SRS as a team
• Turn in list of items with short descriptions of
  findings
• Due, Thurs Sep 20 hardcopy at start of class

8
Journaling due 11 am Tues, sep 18

• Write definitions of the major types of software
  life cycles waterfall, spiral, iterative,
  incremental, and formal
• The definitions should clearly distinguish
  between the major types
• Additionally, identify characteristics of each.
  For example, when are requirements set, when is
  the first version delivered.

9
Team leader interviews

• The team leader must meet privately with each
  team member.
• The meeting should cover concerns, abilities, and
  anything relevant to the team participation.
• The team leader must submit a report indicating
  when and where each meeting was held and a short
  summary of the discussion
• This is due, via email, by Fri, Sep 21

10
Coming Soon

• weekly team grade rubric and grades due Friday,
  9/14
• TL interviews due 9/21 via email
• Reading for Thursday, Sep 20 SG ch 4 Proj
  Schedules
• No class or lab Tues, 9/18 (job fair), no lab
  wed, 9/19
• Upload by Tuesday, 9/16 software life cycle
  assignment