Before you start data replication workloads, you must set up a network environment that allows Data Transmission Service (DTS) to access your source and target databases, including network connectivity and security settings. For example, you must add the IP ranges of DTS servers to the whitelists of your source and target databases. Your database may reside in your corporate network so you have to connect your network into Alibaba Cloud.
The following table lists the configuration steps that are required for each specific scenario:
|Migration path||Replication mode||Required configurations|
|Source or target: User-Created Database with Public IP Address||
|Source or target: Database without public IP:Port (Accessed through database gateway)||
|Source: Self built database accessed through Cloud Enterprise Network(CEN)||
|Source or target: User-Created Database Connected over Express Connect, VPN Gateway, or Smart Access Gateway||