Shapiro and colleagues: conflict-free replicated data types

What changed

Specified conditions and examples for deterministic convergence of independently updated replicas.

Scientific scope

The record is the exact four-author SSS 2011 paper. Strong eventual convergence relies on the paper’s delivery and operation/state assumptions; it does not guarantee application invariants or eliminate all coordination.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact four-author SSS 2011 paper. Strong eventual convergence relies on the paper’s delivery and operation/state assumptions; it does not guarantee application invariants or eliminate all coordination.

Contributors

• Marc Shapiro · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Nuno Preguiça · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Carlos Baquero · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• Marek Zawirski · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Springer DOI for CRDT paper
• Marc Shapiro author copy of CRDT paper

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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