RFC 9696 · INFORMATIONAL · 2025

Routing in Fat Trees Applicability and Operational Considerations

Overview

RFC 9696, “Routing in Fat Trees Applicability and Operational Considerations”, is an Informational document published in April 2025 by Y. Wei, Z. Zhang, D. Afanasiev, P. Thubert, T. Przygienda. The canonical text is published by the RFC Editor.

Abstract

This document discusses the properties, applicability, and operational considerations of Routing in Fat Trees (RIFT) in different network scenarios with the intention of providing a rough guide on how RIFT can be deployed to simplify routing operations in Clos topologies and their variations.

Abstract as published in the RFC, via rfc-editor.org.

What “Informational” means

Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.

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The canonical text of RFC 9696 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

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