VPN Gateway is an Internet-based service that securely and reliably connects enterprise data centers, office networks, and Internet terminals to virtual private clouds (VPCs) of Alibaba Cloud through encrypted channels.

Features
- IPsec-VPN
IPsec-VPN connects networks based on routes. It facilitates the configuration and maintenance of VPN policies, and provides flexible traffic routing methods.
You can use IPsec-VPN to connect a data center to a VPC or connect two VPCs. IPsec-VPN supports the IKEv1 and IKEv2 protocols. All on-premises gateway devices that support these two protocols can connect to VPN gateways on Alibaba Cloud.
For more information, see Overview.
- SSL-VPN
SSL-VPN connects networks based on the OpenVPN architecture. After you deploy the required resources, you can load the SSL client certificate to your client and initiate an SSL-VPN connection between the client and a VPC. This way, your client can access applications and services in the VPC.
For more information, see Overview.
Benefits
- High security: You can use the IKE and IPsec protocols to encrypt data for secure and reliable data transmission.
- High availability: VPN Gateway adopts the hot-standby architecture to achieve failover within a few seconds, session persistence, and zero service downtime.
- Cost-effectiveness: The encrypted Internet-based connections provided by VPN Gateway are more cost-effective than Express Connect circuits.
- Ease of use: VPN Gateway is a ready-to-use service. VPN gateways start to work immediately after they are deployed.