- There are many type of networks
- The protocol to use depends on what part of which network you are
- Opinionated Cheatsheet:
- MQTT: D2C or C2C
- CoAP: D2D
- HTTP/1.1: C2C
- HTTP/2: C2C — possibly D2C
- DDS: C2C & D2C — claims of D2D seem exagerated
- WebSockets: C2C
- Operational Technology (OT) will be around for a long time
- No silver bullet
