Productivity & Collaboration
Design Google Docs (Operational Transformation / CRDTs)
A real-time collaborative editor merging concurrent edits from many clients without conflicts using OT or CRDT-based synchronization.
Open and Simulate this Architecture in InfraDraftCore Architectural Components
Real-Time Sync Engine
OT or CRDT resolver that merges concurrent edits deterministically.
WebSocket Collaboration Gateway
Streams operations between all clients editing the same document.
Document Store
Versioned snapshots plus the operation log needed to reconstruct any point in history.
Presence/Cursor Broadcasting Service
Shows collaborators' live cursor positions and selections.
Conflict Resolution Service
Applies the OT/CRDT merge algorithm when edits overlap.
Offline Edit Queue & Reconciliation
Buffers local edits made offline and merges them back in on reconnect.
Access Control & Sharing Permission Service
Governs who can view or edit a given document.
Revision History Service
Lets users browse and restore past document versions.