Oracle Integration Cloud Service (ICS) provides a complete method to integrate applications by creating connections between them. You can leverage VPN (Virtual Private Network) connectivity to create a secure channel between different networks, including Oracle’s cloud infrastructure.

Here’s a general outline of the process to set up a VPN with Oracle Integration Cloud:

1. Define the Network Requirements: Identify the on-premises and cloud networks you want to connect.

2. Choose a VPN Solution: Oracle offers different solutions for VPN connectivity. Decide if you need a site-to-site VPN, client VPN, or other types.

3. Configure VPN on Oracle Cloud: Use Oracle Cloud’s console to set up the VPN connection. You’ll need to provide details like the public IP address of the customer’s VPN device, pre-shared keys, encryption algorithms, etc.

4. Configure On-Premises VPN Device: You’ll need to configure the on-premises VPN device to match the settings defined in Oracle Cloud.

5. Test the Connection: Ensure that the connection is established correctly by testing connectivity between the two networks.

6. Integrate with Oracle Integration Cloud: Once the VPN is established, you can integrate applications securely through Oracle Integration Cloud.

7. Monitor and Maintain the Connection: Regularly monitor the connection for any issues and ensure that security protocols are kept up to date.