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You want to broadcast a message to all connected clients in a Remix WebSocket server. Which approach is best?

hard📝 Application Q8 of 15
Remix - Advanced Patterns
You want to broadcast a message to all connected clients in a Remix WebSocket server. Which approach is best?
AUse HTTP POST requests to notify clients
BSend message once on server start; clients receive automatically
CKeep a list of all WebSocket connections and send message to each
DStore messages in database; clients poll periodically
Step-by-Step Solution
Solution:
  1. Step 1: Understand broadcasting in WebSocket servers

    Broadcasting means sending the same message to all connected clients actively.
  2. Step 2: Evaluate options for broadcasting

    Only keeping a list of connections and sending to each achieves real-time broadcast; others are polling or unrelated.
  3. Final Answer:

    Keep a list of all WebSocket connections and send message to each -> Option C
  4. Quick Check:

    Broadcast = send to all active connections [OK]
Quick Trick: Track connections to broadcast messages [OK]
Common Mistakes:
MISTAKES
  • Expecting clients to receive messages without sending
  • Using HTTP instead of WebSocket for broadcast
  • Relying on polling instead of push

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