import * as Y from "yjs";import { WebsocketProvider } from "y-websocket";const doc = new Y.Doc();const provider = new WebsocketProvider("wss://yjs.example.com", "room-42", doc);const ytext = doc.getText("content");ytext.observe(() => render(ytext.toString()));
Approach
Detail
CRDT (Yjs/Automerge)
Conflict-free merges
OT (ShareDB)
Server-coordinated
Awareness
Cursor + presence
Persistence
Snapshot to DB periodically
5. Implementing Live Location Tracking
Element
Detail
Throttle
1-5s updates
Delta encoding
Send Δlat/Δlon
Geofence filter
Server filters by bbox
Battery
Reduce rate when stationary
6. Implementing Live Comments
Feature
Detail
Topic per post
post.{id}.comments
Live count
Aggregate event
Reactions
Lightweight delta msgs
Spam filter
Server-side
7. Implementing Game Multiplayer
Pattern
Detail
Tick rate
20-60 Hz
Authoritative server
Anti-cheat
Client prediction
Mask latency
Server reconciliation
Replay inputs after correction
Snapshot interp
Smooth other players
Binary protocol
Minimize bytes/tick
8. Implementing Live Audio/Video Signaling
Note: WebSocket carries SDP/ICE for WebRTC setup, not media. Media flows peer-to-peer via UDP.