Table 3.
Internet of Medical Things (IoMT) application protocols.
| Layer | Relevant Literature | Standards | Encoding Format | Architecture | Header/Message | |
|---|---|---|---|---|---|---|
| IoT Protocols | ||||||
| COAP | App | [36,47,70,86,87,88] | IETF, Eclipse foundations | Binary | Client-Server, Broker | 4 Byte/Small |
| MQTT | App | [47,65,68,85,86,89] | OASIS, Eclipse foundations | Binary | Client-Broker | 2 Byte/Small |
| HTTP | App | [7,47,70,73,85,89] | IETF, W3C | Text | Client-Server | Undefined, Large |
| HL7 | App | [87] | ANSI/ISO/HITSP/CDA/EHR/FHIR/CCOW | UTF-8/16/32, ISO 8859-1 | Client-Server | 402/1039 bytes |