Message Delivery Guarantees: At-Most-Once vs At-Least-Once vs Exactly-Once
Message delivery guarantees describe what can happen when producers, brokers, consumers, networks, or databases fail. A message may be lost, delivered multiple times, or processed only once under specific conditions. These behaviours are commonly described as at-most-once , at-least-once , and exact
Oleksandr Andrushchenko
Jul 25