Amazon Virtual Private Cloud Connectivity Options
Amazon Virtual Private Cloud Connectivity Options

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Software VPN

Amazon VPC offers you the flexibility to fully manage both sides of your Amazon VPC connectivity by creating a VPN connection between your remote network and a software VPN appliance running in your Amazon VPC network. This option is recommended if you must manage both ends of the VPN connection either for compliance purposes or for leveraging gateway devices that are not currently supported by Amazon VPC’s VPN solution. The following figure shows this option.

Figure: Software VPN

You can choose from an ecosystem of multiple partners and open source communities that have produced software VPN appliances that run on Amazon EC2. These include products from well-known security companies like Check Point, Astaro, OpenVPN Technologies, and Microsoft, as well as popular open source tools like OpenVPN, Openswan, and IPsec-Tools. Along with this choice comes the responsibility for you to manage the software appliance, including configuration, patches, and upgrades.

Note that this design introduces a potential single point of failure into the network design because the software VPN appliance runs on a single Amazon EC2 instance. For additional information, see Appendix: High-Level HA Architecture for Software VPN Instances.

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