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Gossip Protocol

Let's explore how Dynamo uses gossip protocol to keep track of the cluster state.

What is gossip protocol?

In a Dynamo cluster, since we do not have any central node that keeps track of all nodes to know if a node is down or not, how does a node know every other node's current state? The simplest way to do this is to have every node maintain

heartbeats
with every other node

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