### 18.1.4 Group Replication Services

[18.1.4.1 Group Membership](group-replication-group-membership.html)
[18.1.4.2 Failure Detection](group-replication-failure-detection.html)
[18.1.4.3 Fault-tolerance](group-replication-fault-tolerance.html)
[18.1.4.4 Observability](group-replication-observability.html)

[]()

 This section introduces some of the services that Group Replication builds on.

