Real time communication

Data transmission modes

Classification	Explanation
Full-Duplex (전이중)	A structure where the client and server can send and receive data at the same time.	Websocket
Half-Duplex (반이중)	Communication is possible in only one direction at a time (e.g., a walkie-talkie).
Simplex (단방향)	Transmission in only one direction (e.g., a radio broadcast).	Server-Sent Events (SSE), Webhook

Types

• Websocket
  • A two-way, persistent communication channel between a client and a server
• Server-Sent Events (SSE)
  • Server-Sent Events are a one-way communication channel where a server can push updates to a client.
• Webhook
  • An automated, server-to-server notification triggered by a specific event