Clustering architecture

Apache Ignite offers an out of the box clustering mechanism and APIs to perform various caching activities. This section is going to cover the following clustering features:

• Node discovery
• Node deployment
• Cluster grouping

Node discovery

Apache Ignite is designed to scale elastically by adding more nodes to the cluster. The addition of a new node or removal of a node is transparent to the cluster. It depends on inter-node communication and doesn't rely on a master node to maintain the cluster. As of version 2.5, Apache Ignite supports two types of node discovery:

• TCP/IP discovery
• ZooKeeper discovery

We will explore both of these discovery types.

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