create S3 Cross Region Replica, every object updated to in the origin S3 bucket will be replicated to the destination bucket. Disaster Recovery: You can create cross-region replicas of your primary bucket to have a disaster recovery solution. If your primary region faces a disruption, you can point your APP to the replica bucket and keep your business operational. Lower latency: you can use cross-region replication to provide lower-latency data access in di ff erent geographic regions Cross-region Migration: If you would like to migrate your bucket quickly to another AWS region, you may do so by using cross-region replication. Simply create a replica in your target region, and once it is ready, point your application to it. No extra costs: You pay Amazon S3’s usual charges for storage, requests, and inter-region data transfer for the replicated copy of data.
Cross-region replication is available in the US Standard, US West (Oregon), US West (N. California), EU (Ireland), EU (Frankfurt), Asia Paci fi c (Tokyo), Asia Paci fi c (Singapore), Asia Paci fi c (Sydney), and South America (Sao Paulo) regions.