The image shows the following scenarios:

Before migration: The IBM Sterling Order Management Software app in Microsoft Azure is connected to the Prod Oracle 11g database in the Co-lo data center. A monodirectional arrow connects to Migration and upgrade.

Migration and upgrade: The IBM Sterling Order Management Software app in Microsoft Azure is connected to the Prod Oracle 11g database in the Co-lo data center. Prod Oracle 11g database in the Co-lo data center is replicated to the Temp Oracle 11g database connected to the Prod Oracle 19c database via GoldenGate. A monodirectional arrow connects to Go Live.

Go Live: The IBM Sterling Order Management Software app in Microsoft Azure is connected to the Prod Oracle 19c database in the OCI region via OCI-Azure Interconnect. OCI Prod Oracle 19c database is connected to the Temp Oracle 11g database via GoldenGate.