| Number | OSI Layer | Description | TV Layer | Description | Examples |
| 7 | Application | Users View | Channel | What the view sees | BBC1 |
| 6 | Presentation | Code or format conversion | Platform | Various platforms | Dsat DTT |
| 5 | Session | Security | Encryption/Timex | Adaptation | UKTV BSB encrytion |
| 4 | Transport | Point to Point Error correction | Feedback / interactive | Interactivity / Data error correction | VOD, VNL |
| 3 | Network | Packet routing | Routing | Point to point / multicast | Multiplexing |
| 2 | Data | Frames | Data format | Data rate / format | 270 SDV, ATM |
| 1 | Physical | electical connections | Circuits | Physical circuits | Circuit name |