{CodeRoyale}
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Multiple ChoiceHard 45s

CRDT vs OT for collaborative editing

You are designing a collaborative rich-text editor that must support peer-to-peer sync with no central server. Which approach best fits?
Options
  1. 1Operational Transformation (OT), which requires a central sequencer to transform operations
  2. 2Pessimistic record locking coordinated by a leader election
  3. 3CRDTs, whose merge is commutative/associative so peers can converge without a central server
  4. 4Full snapshot polling where clients request the latest document periodically
crdtcollaborative-editingot

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