Level IV and V process areas remain the same in CMMI V1.2. The way these process areas should be interpreted, however, has changed.
OPP and QPM are at Maturity Level IV, while OID and CAR occupy Maturity Level V. At maturity level III, the focus is on institutionalization. For a company moving from level II towards level III, it would simply mean practicing the same processes across all the projects and bring in uniformity. CAR is done to identify the causes of any repeating problem. This is the CAR at Level III. Measures are taken to contain it.
Through OPF (At level III), the company defines at a macro level what the EPG responsibilities are; through OPD the company defines how its QMS is established and functions. Process performance is monitored using M&A. Note that there is no process stability at this stage. Projects are quantitatively managed when the processes driving it are stable.
At level IV the project’s quality and process performance objectives are defined and only those processes are picked up, which are stable (using past data…in our case it is the Process Capability Baseline sheet.). Sub-processes of the Process are defined & monitored (depending on the organization’s and project’s quality objectives); variation is tracked using statistical techniques. The statistical tools help in identifying variation, and setting up corrective action.
Spikes (significant deviation from the normal) in the process performance are identified; those sub-processes are picked up (for improvement) which are vital, and contribute to process control and improvement. CAR is done to find out root cause of the variation. Measures are taken to ensure that these are not repeated. [This is level IV CAR].
Level V CAR is done to shift the mean. Shifting the mean is a process improvement activity. After shifting the mean, the sub-process performance is monitored for stability and is fine tuned.
OPP and QPM are at Maturity Level IV, while OID and CAR occupy Maturity Level V. At maturity level III, the focus is on institutionalization. For a company moving from level II towards level III, it would simply mean practicing the same processes across all the projects and bring in uniformity. CAR is done to identify the causes of any repeating problem. This is the CAR at Level III. Measures are taken to contain it.
Through OPF (At level III), the company defines at a macro level what the EPG responsibilities are; through OPD the company defines how its QMS is established and functions. Process performance is monitored using M&A. Note that there is no process stability at this stage. Projects are quantitatively managed when the processes driving it are stable.
At level IV the project’s quality and process performance objectives are defined and only those processes are picked up, which are stable (using past data…in our case it is the Process Capability Baseline sheet.). Sub-processes of the Process are defined & monitored (depending on the organization’s and project’s quality objectives); variation is tracked using statistical techniques. The statistical tools help in identifying variation, and setting up corrective action.
Spikes (significant deviation from the normal) in the process performance are identified; those sub-processes are picked up (for improvement) which are vital, and contribute to process control and improvement. CAR is done to find out root cause of the variation. Measures are taken to ensure that these are not repeated. [This is level IV CAR].
Level V CAR is done to shift the mean. Shifting the mean is a process improvement activity. After shifting the mean, the sub-process performance is monitored for stability and is fine tuned.
No comments:
Post a Comment