Message delivery in Distributed Systems
In distributed systems, the principle of message passing between nodes is a core concept. But this leads to an inevitable question: How can we ensure that a message was successfully delivered to its destination? To address this, there are three types of delivery semantics commonly employed: • At Most Once • At Least Once • Exactly Once Each of these offers different guarantees and trade-offs when it comes to message delivery. Let’s break down each one: ...