msaad

1.B.3-Types of Requirements Elicitation

Greenfield Engineering

Development starts from scratch, no prior system exists, and the requirements are extracted from the end

users and the client Triggered by user needs

Re-engineering

Re-design and/or re-implementation of an existing system using newer technology Triggered by technology

Enabler.

-must understand business role and logic.

Interface Engineering

Provide the services of an existing system in a new environment triggered by technology enabler or new market

needs