Level 1 (Initial) - Processes are ad hoc and occasionally chaotic. Few processes are defined, and success depends on individual effort and heroics. (A street-person with a laptop would be at Level 1.)
Level 2 (Repeatable) - Basic project management processes are established to track cost, schedule and functionality. A process discipline is in place to repeat earlier successes on projects with similar applications.
Level 3 (Defined) - Management and engineering processes are documented and integrated into a standard software process. Projects use an approved, tailored version of the organization’s standard software process.
Level 4 (Managed) - Detailed measures of the software process and product quality are collected. Processes and products are quantitatively understood and controlled.
Level 5 (Optimizing) - Continuous process improvement is aided by quantitative feedback from the process and from piloting innovative ideas and technologies.
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