Operation of an Application Service Provider (ASP) ASP Data Center Customer A Application Customer B Application Customer C Application Database Database Database
Operation of a Software-as-a-Service (SaaS) Vendor SaaS Vendor Data Center Customer A Customer B Customer C Customer A Customer B Customer C Application
12.4 Traditional Systems Development Life Cycle
Software Development Life Cycle (SDLC) is the traditional systems development method that organizations use for large-scale IT projects.
Six-Stage Systems Development Life Cycle (SDLC) with Supporting Tools Prototyping Systems Investigation Deliverable: Go/No Go Decision Systems Analysis Deliverable: User Requirement Systems Design Deliverable: Technical Specification Programming and Testing Implement The System Operation and Maintenance Business Need Joint Application Design (JAD) Upper CASE Tools Lower CASE Tools