The image shows Microsoft Azure and OCI Interconnect. The Customer-Premises Equipment and On-Premises Data Center are shown at the top.

They connect with OCI (Ashburn Region) uses FastConnect/VPN. OCI (Ashburn Region) includes a VCN running Autonomous Database/Exadata and Enterprise Applications.

They connect with a Microsoft Azure (US East Region) uses ExpressRoute/VPN. Microsoft Azure (US East Region) includes a vNet running Microsoft Applications and Azure services.

OCI (Ashburn Region) uses Fast Connect and Azure ExpressRoute to connect to Microsoft Azure (US East Region).