Beginning the SDLC

							Beginning the SDLC
   Project Identification & Selection
      Identifying

      Classifying/Ranking

      Selecting
Beginning the SDLC
   Project Initiation & Project Planning
      Describing scope, alternatives, feasibility

      Developing project plan
 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
Identifying Problems & Opportunities

 Performance
 Information
 Economy
 Control
 Efficiency
 Services
IS Planning – the basics
 Purpose
 Planning cycle
 Personnel
 Inputs
 Processes
 Outputs
IS Planning Approaches
 By time horizon
   Strategic/Tactical/Operational

 By organizational level
   Top-down vs. Bottom-up

 Example of Planning Model
   Four-Stage Model
Four-Stage Model of IS
Planning
1. Strategic Planning
2. Organizational Information
     Requirements Analysis
3. Resource Allocation
4. Project Planning
Strategic IS Planning
 Purpose: Link IS plan to organizational
  strategic goals
 Methods:
     SWOT Analysis
     Critical Success Factors

     Analysis of Competitive Factors
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
Resource Allocation
 Purpose: Allocate development and
  operational resources (select projects)
 Methods
    Prioritizing

    Evaluating “development portfolio”
Project Planning
 Purpose: Setting schedule and resource
  requirements for specific IS projects
 Methods
    Function points

    COCOMO

    Project Management techniques
Feasibility Analysis
   Technical        Political
   Economic         Legal/Contractual
   Operational      Schedule