Software engineering economics.

Stop the life cycle-I want to get off!

Negotiation builds a team as well as a set of requirements.

If a project has not achieved a system architecture, including its rationale, the project should not proceed to full-scale system development. Specifying the architecture as a deliverable enables its use throughout the development and maintenance process.

Agile methods derive much of their agility by relying on the tacit knowledge embodied in the team, rather than writing the knowleadge down in plans.

Software engineering economics.

About 90 percent of the downtime comes from, at most, 10 percent of the defects.