By following the recipe in this section, you can extend your on-premise data center into the cloud by connecting on-premise network to VPC using VPN. Internet Protocol Security (IPSec) VPN connections are supported by AWS. You can create both statically routed and dynamically routed VPN connections in a VPC. Virtual private gateway works on the AWS side of the VPN connection and customer gateway (a physical or a software appliance) works on your side of the VPN connection. If you already have an OpenVPN Access Server setup on premises and would like to extend connectivity of your OpenVPN connection to the Amazon Cloud, you can do so easily without purchasing additional hardware. Each VPC connection on the AWS side has two tunnels for redundancy, if one tunnel is taken down for maintenance purposes, your customer gateways can use the second tunnel. Each tunnel has its own unique virtual private gateway public IP address. To handle failures of...