AWS RTB Fabric adds configurable zone affinity

AWS RTB Fabric now lets responder gateways configure how requests use availability zones.

By twenty8digital · AI-assisted briefingPublished 29 Sept 2026

Conceptual digital network illustration accompanying this technology brief

AI-generated conceptual illustration from the twenty8digital archive. Not a documentary image of this announcement.

Announcement: 18 Sept 2026
Coverage: Global
Primary source: AWS ↗

What changed?

What should you keep in mind?

A routing policy can favor the requester’s zone or make capacity across the gateway’s zones available. The choice trades local routing preference against broader capacity use. AWS says the capability has no additional RTB Fabric charge and is available in supported regions.

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Source announcement: 18 Sept 2026. This is an original summary, not independent on-the-ground reporting.

AWS ↗

Last updated: 29 Sept 2026. Editorial policy & corrections

AWS RTB Fabric adds configurable zone affinity

What changed?

What should you keep in mind?

Go to the source

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