- Cross-zone replication allows you to replicate your Azure NetApp Files volumes asynchronously from one Azure availability zone (AZ) to another wi thin the same region. Using technology similar to the cross-region replication feature and Azure NetApp Files availability zone volume placement feature, cross-zone replication replicates data in-region across different zones; only changed blocks are sent over the network in a compressed, efficient format. It helps you protect your data from unforeseeable zone failures without the need for host-based data replication. This feature minimizes the amount of data required to replicate across the zones, limiting data transfers required and shortens the replication time so you can achieve a smaller Restore Point Objective (RPO). Cross-zone replication doesn’t involve any network transfer costs and is highly cost-effective.
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