Help Center> Virtual Private Network> Service Overview> Security> Service Resilience

Updated on 2023-10-23 GMT+08:00

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Service Resilience

VPN provides the dual-AZ disaster recovery function. You can create a VPN gateway in two AZs in the same region, and create a VPN connection between the customer gateway and each AZ.

Dual-AZ disaster recovery is supported only by Enterprise Edition VPN, but not Classic VPN.

Figure 1 Scenario where services are running properly

If the VPN gateway or VPN connection in an AZ is faulty, traffic is automatically switched to the other VPN connection, ensuring normal service running.

Figure 2 Failover scenario

Parent topic: Security

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