This illustration shows the Set a Georeplication Policy before continuing dialog box.
The dropdown menu for Georeplication Policy field displays a list odf data centeres such as Ashburn and the Set Policy button is highlighted, suggesting that you should click it.
The Guidelines for Selecting a Replication Policy in this box are displayed as follows:

Read these guidelines before selecting a replication policy.

Oracle provides several replication policies. Broadly, they belong to one of the following types:

Policies that have no georeplication: These policies specify only the primary data center (DC) that hosts your service instance.

All read and write requests go to the primary DC, always. If the primary DC is unavailable, then the requests fail.
Such a policy may be adequate if you have standard data-durability requirements and if an occasional failure of read requests (when the primary DC is down) is acceptible.

Georeplication Policies: These policies specify a primary DC that hosts your service instance as well as a geographically distant, georeplication DC.

Write requests that you send to the gloal namespace URL are routed to the primary DC. Data that you write is replicated automatically, but asynchronously, to the georeplication DC. The primary and secondary DC's are

(The rest of the guidelines are not displayed in this illustration.)