When registering a target database with Oracle Data Safe, a common connection is through an Oracle Data Safe on-premises connector.
Databases that support connection through an on-premises connector include the below with a note stating which databases recommend the on-premises connector.
- Oracle Exadata Database Cloud@Customer (recommended if no network peering is established)
- Oracle Autonomous Database on Cloud@Customer (recommended if no network peering is established)
Oracle on-Premises database (recommended if no network peering is established)
Oracle Database on a compute instance in a non-Oracle environment (recommended if no network peering is established)
Oracle Database on a compute instance in Oracle Cloud Infrastructure
- Amazon RDS for Oracle (recommended if no network peering is established)
The Oracle Data Safe on-premises connector on your host machine establishes an encrypted TLS tunnel to the Cloud Connection Manager located on the Oracle Data Safe virtual cloud network (VCN) in Oracle Cloud Infrastructure. Oracle Data Safe sends requests to your target database through the Cloud Connection Manager. The Cloud Connections Manager, in turn, sends the request to your target database through the on-premises connector via an encrypted TLS tunnel.
The on-premises connector is connected to your target database through a TCP or TLS connection. Oracle recommends that you install the on-premises connector on a host machine that is different from the host machine of the target database. You can, however, install it on the database host machine if needed. In a production environment, Oracle recommends that you install the same on-premises connector on two Linux hosts for high availability. If one of your hosts goes down due to system failure or maintenance, Oracle Data Safe connections automatically fail over to the on-premises connector running on the other host, and the on-going Oracle Data Safe operations are not affected.
One on-premises connector can support multiple target databases. There is an additional limit of five Oracle Data Safe on-premises connectors per tenancy and region. It is possible to submit a service request to have this limit increased.