What is full-duplex communication in WebSockets?

Updated May 6, 2026

Short answer

Full-duplex means both client and server can send data simultaneously.

Deep explanation

Unlike HTTP's half-duplex model, WebSockets allow real-time bidirectional communication without waiting for responses.

Real-world example

Live multiplayer gaming communication.

Common mistakes

  • Assuming server must wait for client requests.

Follow-up questions

  • What is half-duplex communication?

More WebSockets interview questions

View all →