Topic: distributed-systems

• At-most-once, at-least-once and exactly-once delivery

  Messaging systems deliver a message at most once (may lose), at least once (may duplicate) or effectively exactly once (deduplicated by the consumer); at-least-once plus idempotent consumers is the practical default, and 'exactly once' is a property of the whole pipeline, not of the broker.

  article · en · unreviewed

Machine-readable: JSON