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AWS PrivateLink Integration

Requires Appian Protect Foundation Success Plan or higher
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This page applies to Appian Cloud only. It may not reflect the differences with Appian Government Cloud.

This page describes using Amazon Web Services (AWS) PrivateLink with Appian Cloud.

If your organization has IT infrastructure running on AWS, you can use AWS PrivateLink to enable private communication between your Appian Cloud environments and AWS resources hosted on your private networks. PrivateLink can be used to integrate with your services such as business data sources or authentication systems through your own AWS Virtual Private Cloud (VPC). PrivateLink can also be used to expose an Appian Cloud environment to your VPC.

Tip:  Alternatives to the AWS PrivateLink integration include VPN tunnels. See the connectivity feature comparison to determine which connectivity method matches your business needs.

Benefits

PrivateLink connectivity gives you several benefits:

  • Enhanced security: Traffic over PrivateLink is kept within the AWS network and does not traverse the public internet.
  • Simplified access to your resources: Appian Cloud environments with multiple application servers (such as High Availability environments) can use a single PrivateLink connection regardless of the number of nodes.
  • Reduced network configuration complexity: PrivateLink removes the need to allow a public IP on your network's edge firewalls. Additionally, you will not face conflicts with Appian's private network IP address spaces since connections through PrivateLink are performed through an endpoint service.

This integration option allows an Appian Cloud environment to communicate with resources inside your managed VPC, where the operation is initiated by the Appian Cloud environment.

In this configuration, Appian Cloud acts as the service consumer and your VPC acts as the service provider. See Outbound Access over PrivateLink for more details.

This integration option allows resources within your VPC to communicate directly with an Appian Cloud environment.

In this configuration, the Appian Cloud environment is the service provider and your VPC is the service consumer. See Inbound Access over PrivateLink for more details.

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