Your company has hybrid network architecture with workloads running primarily off the on-premises data centre and GCP as the failover location. One of the applications uses an on-premises MySQL database, and you have set up a Cloud SQL replica to replicate MySQL database to Google Cloud platform. At peak times, the updates to MySQL database are massive, and you need to ensure these changes can be reliably replicated to Cloud SQL. Your network administrator has recommended private address space communication between On-premises network and the GCP network. What network topology should you use?