Usage and Applicability of BGP Link State Shortest Path First Routing in Data Centers
RFC 9816, “Usage and Applicability of BGP Link State Shortest Path First Routing in Data Centers”, is an Informational document published in July 2025 by K. Patel, A. Lindem, S. Zandi, G. Dawra, J. Dong. The canonical text is published by the RFC Editor.
Abstract
This document discusses the usage and applicability of BGP Link State (BGP-LS) Shortest Path First (SPF) extensions in data center networks utilizing Clos or Fat Tree topologies. The document is intended to provide simplified guidance for the deployment of BGP-LS SPF extensions.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 9816 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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- RFC 9817 Use Cases for In-Network Computing
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- RFC 9819 Argument Signaling for BGP Services in Segment Routing over IPv6
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