Each SystemStar model implements a different set of COCOMO Cost Drivers. This table shows which Cost Drivers are in which models.
|
Cost Driver |
COCOMO_II Post Architecture |
COCOMO_II Early Design | REVIC |
COCOMO_87 |
COCOMO_81 & COCOMO_85 | |
| Personnel Factors | ||||||
| ACAP | Analyst Capability |
Yes | Yes | Yes | Yes | |
| APEX AEXP | Applications Experience | Yes | Yes | Yes | Yes | |
| PCAP | Programmer Capability | Yes | Yes | Yes | Yes | |
| LEXP | Programming Language Experience | Yes | Yes | Yes | ||
| VEXP | Virtual Machine Experience | Yes | Yes | Yes | ||
| PERS | Personnel Capability | Yes | ||||
| PREX | Personnel Experience | Yes | ||||
| PCON | Personnel Continuity | Yes | ||||
| PLEX PEXP | Platform Experience | Yes | ||||
| LTEX | Language and Tool Experience | Yes | ||||
| Product Factors | ||||||
| RELY | Required Software Reliability | Yes | Yes | Yes | Yes | |
| DATA | Database Size | Yes | Yes | Yes | Yes | |
| CPLX | Software Product Complexity | Yes | Yes | Yes | Yes | |
| RUSE | Required Reusability | Yes | Yes | Yes | Yes | |
| DOCU | Documentation Match to Life-Cycle Needs | Yes | ||||
| RCPX | Product Reliability and Complexity | Yes | ||||
| Platform Factors | ||||||
| TIME | Execution Time Constraint | Yes | Yes | Yes | Yes | |
| STOR | Main Storage Constraint | Yes | Yes | Yes | Yes | |
| TURN | Computer Turnaround Time | Yes | Yes | Yes | ||
| VIRT | Virtual Machine Volatility | Yes | Yes | |||
| VMVH | Virtual Machine Volatility: Host | Yes | ||||
| VMVT | Virtual Machine Volatility: Target | Yes | ||||
| PVOL | Platform Volatility | Yes | ||||
| PDIF | Platform Difficulty | Yes | ||||
| PLAT | Platform | Yes | ||||
| Project Factors | ||||||
| TOOL | Use of Software Tools | Yes | Yes | Yes | Yes | |
| MODP | Modern Programming Practices | Yes | Yes | Yes | ||
| SCED | Required Development Schedule | Yes | Yes | Yes | Yes | Yes |
| SECU | Classified Security Application | Yes | Yes | |||
| SITE | Multisite Development | Yes | ||||
| FCIL | Facilities | Yes | ||||
| RVOL | Requirements Volatility | Yes |