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With Redis Enterprise you can create Active-Passive Geo-Distributed deployments using the “replica-of” capability. This unidirectional replication capability allows you to synchronize data between source and destination databases, placing the data physically closer to the user for low-latency read access. All writes to the source database are replicated to destination databases. However, writes to the destination databases are not replicated back to source databases.
“Replica-of” provides great flexibility for creating complex geo-distribution topologies:
It is possible to achieve the following Active-Passive Geo-Distributed topologies using the replica-of capability:
This figure illustrates Active-Passive Geo-Distributed topology using replica-of: