| Layer | Table Column Head | ||
| OSI Layers | TCP/IP | IoT | |
| 7 | Application | Application | MQTT |
| 6 | Presentation | ||
| 5 | Session | ||
| 4 | Transport | Transport | TCP |
| 3 | Network | Internet | IP |
| 2 | Data Link | Network Access | IEEE 802.15.4 MAC |
| 1 | Physical | IEEE 802.15.4 PYS | |