Application Scenarios
Access from Terminals to a VPC
You can use client software on terminals such as PCs and mobile phones to remotely access resources in a VPC, as shown in Figure 1.
Hybrid Cloud Deployment
You can use a VPN to connect your on-premises data center to a VPC and use the elastic and fast scaling capabilities of the cloud to expand application computing capabilities. Figure 2 shows the hybrid cloud deployment.
Cross-Region Interconnection Between VPCs
With VPNs, you can connect VPCs in different regions to enable connectivity between user services in these regions, as shown in Figure 3.
Enterprise Branch Interconnection
A VPN gateway functions as a VPN hub to connect enterprise branches, as shown in Figure 4. This eliminates the need to configure VPN connections between every two branches.
Backup Between VPN and Direct Connect
For high reliability purposes, you can connect your on-premises data center to a VPC on the cloud through Direct Connect and VPN that back up each other, as shown in Figure 5.
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