The process dimension is formed by software lifecycle processes defined in a Process Reference Model (PRM) that is derived directly from ISO/IEC 12207 AMD1 and AMD 2. The processes are grouped into nine Process Categories.
| Process Category |
Description |
| Acquisition |
Processes performed by the customer, in order to acquire a product and/or a service. |
| Supply |
Processes performed by the supplier in order to propose and deliver a product and/or a service. |
| Engineering |
Processes that directly elicit and manage the customer's requirements, specify, implement, and/or maintain the software product and it’s relation to the system. |
| Operation |
Processes performed in order to provide for the correct operation and use of the software product and/or service. |
| Supporting |
Processes which may be employed, by any other processes at various points in the software life cycle. |
| Management |
Processes that contain practices that may be used by anyone who manages any type of project or process within a software life cycle. |
| Process Improvement |
Processes performed in order to define, deploy, assess and improve the processes performed in the organizational unit. |
| Resource and Infrastructure |
Processes performed in order to provide adequate human resources and necessary infrastructure as required by any other process performed by the organizational unit. |
| Reuse |
Processes performed in order to systematically exploit reuse opportunities in organization’s reuse programmers. |