The AWS storage gateway helps you to create hybrid cloud storage that your own premise application can utilize. You can use it for backup, disaster recovery, cloud bursting, and storage migration.
For this, AWS provides an appliance that lets you connect your application with cloud storage on the NFS and iSCSI protocols.
The storage gateway includes a highly-optimized data transfer mechanism with bandwidth management, automated network resilience, and efficient data transfer.
It also provides an optional local cache for low-latency, on-premises access to your most active data:
In the preceding screenshot, you can see that ...