
AWS Transit Gateway now offers Flexible Cost Allocation, enabling granular control over data processing charges across AWS accounts through customizable metering policies based on source, destination, or Transit Gateway ownership.


<div><p>This article introduces Flexible Cost Allocation (FCA) for AWS Transit Gateway, enabling granular control over data processing cost allocation across AWS accounts and organizations.</p><ul><li>Allocate Transit Gateway charges to source, destination, or Transit Gateway account owners</li><li>Supports three policy control levels: Transit Gateway, attachment, and flow-level rules</li><li>Enables receiver-pay models for Direct Connect ingress and centralized security inspection</li><li>Resolves partner/service provider cost attribution on client-owned Transit Gateways</li><li>Rule-based evaluation with first-match determination for precise cost routing</li><li>Supports middlebox attachments for transparent inspection layer cost allocation</li><li>No additional charges; available in all AWS commercial regions</li><li>Implementation via AWS Console, CLI, or SDK in three steps</li></ul><p>FCA eliminates manual cost reallocation workarounds and aligns networking charges with organizational budgets and chargeback policies.</p></div>


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