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Aws outbound data transfer pricing3/1/2024 ![]() Because B is in a separate Organization, it is charged the DTO rate for the particular public AWS service they are using (these rates vary by service). VIF TypeĪccount B owns the resource, and is therefor allocated DTO costs.Īccounts A and B are part of the same AWS Organizations.Īccount B owns a publicly addressable resource (for example: an S3 bucket).Īccount B own the resource (the S3 bucket, in this example) and is allocated DTO costs.Īccounts A and B are not part of the same AWS Organizations.Īccount B owns a publicly addressable resource (for this example: an S3 bucket).Īccount B, and billed at the Amazon S3 Data Transfer rate.Īccount B owns the resource. ![]() All examples assume that there are only two accounts (A and B). To introduce how these factors work together, this matrix walks through how Data Transfer out charges are allocated based on each VIF type. (Scenarios 4 and 5 that follow will go into this in more detail.) Determining Data Transfer out allocation In this case, the owner of the resource sending the traffic is billed at the Data Transfer rate for the public AWS service in use, not the Direct Connect Data Transfer out rate. The exception is when the owner of a resource is not in the same AWS Organization as the owner of a Direct Connect connection. In most cases, AWS Organizations membership does not factor in to cost allocation for Direct Connect. For more information on VIF, see AWS Direct Connect virtual interfaces in our documentation.ĪWS Organizations provide a central place for an administrator to manage many AWS accounts. And, a transit virtual interface (transit VIF) is used to access one or more AWS Transit Gateways. A private virtual interface (private VIF) is used to access VPCs using a private IP address. ![]() A public virtual interface (public VIF) can access all AWS public services that use a public IP address (such as Amazon S3 buckets, Classic EC2 instances, or EC2 traffic that goes through an internet gateway). Virtual Interfaces (VIF) are necessary to access AWS services using Direct Connect, and come in three distinct types. (Data Transfer in does not play a role as it is $0.00 per GB in all Direct Connect locations.) VPN: If you are routing data over a VPN connection from outside AWS, through a Transit Gateway, and back to a location outside AWS, then Data Transfer out costs are allocated to the owner of the Transit Gateway.(This is often the case when using a centralized inspection VPC.) This is true even if the traffic was previously routed through the Transit Gateway by resources owned by other accounts. AWS Transit Gateway: When traffic is routed through a Transit Gateway, the owner of the last resource in the chain before the data is routed to the Direct Connect VIF is charged for Data Transfer out.But, there are exceptions to this rule that apply when using AWS Transit Gateway, or a VPN in a multi-account scenario: Generally speaking, outbound Data Transfer is charged to the account that owns the resource that is sending the traffic. This is charged per GB, and exact pricing is dependent on the AWS Region and AWS Direct Connect location. Port-hour pricing is determined by connection type (Dedicated or Hosted).ĭata Transfer out (DTO) refers to traffic that is sent from an AWS resource to destinations outside AWS. The account that owns the Direct Connect connection (that is, the account that created the connection) is billed for Port-hours. ![]() Port-hours are the hours consumed once you have accepted a connection from AWS. In multi-account scenarios, two additional factors (Virtual Interface type, and AWS Organization membership) determine how those costs are allocated. In any Direct Connect connection, there are two elements that determine the pricing (Port-hours and Data Transfer out (DTO)). Throughout this post we use the term “resource” as shorthand for the source of the network traffic (such as an EC2 instance or an S3 bucket). This blog walks through five scenarios where Direct Connect is deployed in multi-account environments and discusses how Direct Connect costs are allocated in each. Sharing a Direct Connect link across multiple accounts can be done using either Direct Connect gateway, hosted virtual interfaces, or by connecting it with AWS Transit Gateway. These connections provide low latency, and high-bandwidth throughput connectivity, with a more consistent network experience than internet-based connections. These accounts may be independent, or part of the same AWS Organizations.ĪWS Direct Connect creates private network connections between a data center, office, or colocation environment and AWS. Many AWS customers use multiple AWS Accounts to make it easier to manage permissions and allocate costs to different groups or departments. When multiple accounts share one AWS Direct Connect interface, customers need to understand how Port-hour and outgoing Data Transfer costs are allocated.
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