
SE-Radio Episode 252: Christopher Meiklejohn on CRDTs
Software Engineering Radio - the podcast for professional software developers
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The Difference Between Community of and Convergent Replicated Data Types
Strong eventual consistency is an eventually consistent model with a strong convergence property. It means that all the updates will eventually be served by be observed by all nodes in the system. But we actually don't guarantee that we won't generate conflicts at the nodes given different delivery orderings. So what CRDT say is that once all of the updates are delivered, you would say, well replica a receive six updates there are all out of order and I don't know which one to take. That is a perfectly valid thing to do for eventual consistency.
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