1. Chapter 4
Inception
CS John Cole

2. Purpose of Inception
Establish a common vision and basic scope of the project
Creation of a business case
Creation of a development environment
CS John Cole

3. Questions Is it feasible? Buy or build? Rough range of cost
CS John Cole

4. What it isn’t Defining precise requirements Getting good estimates
CS John Cole

5. In one sentence… Envision the project scope, vision, and business case
Do the stakeholders have basic agreement on the project and is it worth further investigation?
CS John Cole

6. How long does it take?
Can be as short as a day or two, as long as a few weeks
CS John Cole

7. What gets defined? Business case Some of the use cases
Other (usually non-functional) requirements
Key domain terminology
List of risks (business, resource, technical, schedule) and risk management plan
Prototypes
Iteration plan
Phase plan
Development case
CS John Cole

8. You didn’t get it when… It takes more than a few weeks
You attempt to define most of the requirements
Estimates are expected to be reliable
You define the architecture
There is no business case or vision
All of the use cases were written
No use cases were written
CS John Cole