VPC to VPN Options

Answer - A, C and D.

The AWS documentation mentions the following on the type of VPN connections.

1

AWS Managed VPN - You can create an IPsec VPN connection between your VPC and your remote network.

On the AWS side of the VPN connection, a virtual private gateway provides two VPN endpoints (tunnels) for automatic failover.

You configure your customer gateway on the remote side of the VPN connection.

2

AWS VPN Cloudhub - If you have more than one remote network (for example, multiple branch offices), you can create multiple AWS managed VPN connections via your virtual private gateway to enable communication between these networks.

3

Third-party software VPN appliance - You can create a VPN connection to your remote network by using an Amazon EC2 instance in your VPC that's running a third party software VPN appliance.

AWS does not provide or maintain third-party software VPN appliances; however, you can choose from a range of products provided by partners and open source communities.

For more information on VPN connections please refer to the below URL:

http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpn-connections.html

Sure, here are the detailed explanations for the options available to you when connecting your VPC to remote networks via VPN:

A. AWS Managed VPN: AWS Managed VPN is a service provided by Amazon Web Services (AWS) that allows you to create a VPN connection between your VPC and your on-premises network. You can use AWS Managed VPN to establish a secure and private connection over the internet, and it provides you with features such as high availability, automatic failover, and dynamic routing. With AWS Managed VPN, you can choose between two types of VPN connections: Site-to-Site VPN and AWS Client VPN. Site-to-Site VPN is used to connect your VPC to your on-premises network, while AWS Client VPN is used to provide secure remote access to your VPC for individual users.

B. VPC Peering: VPC peering is a feature that allows you to connect two VPCs together over a private network. With VPC peering, you can route traffic between VPCs as if they are part of the same network, and you can do this without the need for a VPN connection. VPC peering is a good option when you need to connect two VPCs that are owned by the same AWS account or different accounts within the same AWS Region. However, it cannot be used to connect your VPC to an on-premises network or to a VPC in a different AWS Region.

C. AWS VPN CloudHub: AWS VPN CloudHub is a service that allows you to connect multiple VPN connections to your VPC. With AWS VPN CloudHub, you can create a hub-and-spoke architecture where your VPC acts as the hub, and your on-premises networks or other VPCs act as spokes. You can use AWS VPN CloudHub to create a mesh network of VPN connections, which can improve network resiliency and reduce the complexity of managing multiple VPN connections.

D. Third-party software VPN appliance: You can also use a third-party software VPN appliance to connect your VPC to remote networks. A third-party VPN appliance is a virtual machine or a software application that you install on your on-premises network or in a public cloud environment. The VPN appliance can establish a VPN connection between your VPC and your on-premises network or another cloud environment. Using a third-party VPN appliance gives you more control over the VPN configuration and can support more advanced VPN features, such as load balancing and traffic shaping. However, it can also add complexity to your network architecture and require additional management overhead.

In summary, the options available to you when connecting your VPC to remote networks via VPN are AWS Managed VPN, VPC peering, AWS VPN CloudHub, and third-party software VPN appliance. You can choose the option that best fits your use case based on factors such as network architecture, resiliency, and control over the VPN configuration.