8552f37c_on__Differences___Similarities__Backup
[Backup vs. Replication] How it Works [Replication] Replication can be synchronous, asynchronous or near-synchronous and may use Continuous Data Protection (CDP) to enable users to access historic images. [Backup] 
Backup typically relies on snapshots which are copies of the data set taken at a pre-determined point in time.
Backup vs Replication: Differences & Similarities