Communication Overview
Communication Protocols
- REST
- GraphQL
- Websocket
- Webhook
- gRPC
- Kafka
- SOAP
Realtime Classification
| Classification | Examples | Latency measured in | Tolerance for delay |
|---|
| Hard | Pacemaker, anti-lock brakes | microseconds - milliseconds | None - total system failure, potential loss of life |
| Soft | Airline reservation system, online stock quotes, VoIP (Skype) | milliseconds - seconds | Low - no system failure, no life at risk |
| Near | Skype video, home automation | seconds - minutes | High - no system failure, no life at risk |
Among Services
REST
GraphQL
gRPC
Server-sent events
Comparision
REST vs GraphQL
Webhook vs Polling
RPC vs REST
