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