Systems Analysis & Design
Tag Archive: Physical Design & Integration
Purpose of phase is to:
- Transform Business Requirements into Physical Design specifications
- How technology will be used in system (will be constrained by architectural model from previous phase)?
Tasks:
Systems Design (Integrating Commercial Software – Buy Solution)
4.1 Research Technical Criteria & Options
4.2 Solicit Proposals or Quotes from Vendors
5A.1 Validate Vendor Claims & Performances
5A.2 Evaluate & Rank Vendor Proposals
5A.3 Award (or Let) Contract & Debrief Vendors
Systems Design (In-house Development – Build Solution)
5.1 Design the Application Architecture
5.2 Design the System Databases
5.3 Design the System Interface
5.4 Package Design Specifications
5.5 Update the Project Plan
Technology based views of a System:
- Physical database Design Specifications
- Physical business process & software design specifications
Feasibility Checkpoint: GO or NO-GO?
Participants:
- System Designers
- System Analysts
- System Users
Deliverables:
- Combination of:
- Physical Design Models & Specifications
- Design Prototypes
- Redesigned Business Processes
Reference: SAD pg 86, 453 – 466
Framework for the
Application of
Systems
Thinking (representative systems development process).
FAST Phases are more detailsed than the classic phases:
- Scope Definition
- Problem Analysis
- Requirements Analysis
- Logical Design
- Decision Analysis
- Physical Design & Integration
- Construction & Testing
- Installation & Delivery
Reference: SAD pg 71, 79
