| Feature | COAP | HTTP |
|---|---|---|
| Purpose | Designed for use in resource-constrained devices and networks, such as those found in the Internet of Things (IoT) | General-purpose protocol that is commonly used for web-based communication. |
| Transport Layer | Uses User Datagram Protocol (UDP) | Uses Transmission Control Protocol (TCP) |
| Message Size | Smaller message size and lower overhead | Larger message size and higher overhead |
| Encoding Format | Binary | Text-based |
| Architectural Style | REST (Representational State Transfer) | REST (Representational State Transfer) |
April 4, 2023
