Beginning the SDLC

1
Beginning the SDLC

• Project Identification Selection
• Identifying
• Classifying/Ranking
• Selecting

2
Beginning the SDLC

• Project Initiation Project Planning
• Describing scope, alternatives, feasibility
• Developing project plan

3
Why do we develop information systems?

• To solve a problem
• To capitalize on an opportunity
• To respond to a directive
• To meet goals objectives identified in our
  strategic plan

4
Identifying Problems Opportunities

• Performance
• Information
• Economy
• Control
• Efficiency
• Services

5
IS Planning the basics

• Purpose
• Planning cycle
• Personnel
• Inputs
• Processes
• Outputs

6
IS Planning Approaches

• By time horizon
• Strategic/Tactical/Operational
• By organizational level
• Top-down vs. Bottom-up
• Example of Planning Model
• Four-Stage Model

7
Four-Stage Model of IS Planning

• 1. Strategic Planning
• 2. Organizational Information
  Requirements Analysis
• 3. Resource Allocation
• 4. Project Planning

8
Strategic IS Planning

• Purpose Link IS plan to organizational strategic
  goals
• Methods
• SWOT Analysis
• Critical Success Factors
• Analysis of Competitive Factors

9
Organizational Information Requirements Analysis

• Purpose Identify information needs of the
  organization
• Steps
• Define organizational subsystems
• Define evaluate information requirements for
  subsystems
• Develop information/subsystem matrix

10
Resource Allocation

• Purpose Allocate development and operational
  resources (select projects)
• Methods
• Prioritizing
• Evaluating development portfolio

11
Project Planning

• Purpose Setting schedule and resource
  requirements for specific IS projects
• Methods
• Function points
• COCOMO
• Project Management techniques

12
Feasibility Analysis

• Technical
• Economic
• Operational

• Political
• Legal/Contractual
• Schedule