 |
| |||
| capa de servicio | |||
| |||
| nivel de servicios (The layer that functions as a gateway between the client layer and the platform layer, where the data resides. The services layer provides three functions: provisioning, billing and metering, and connection routing) | |||
| service layer: 12 phrases in 2 subjects |
| Communications | 8 |
| General | 4 |