Patel, K., Lindem, A., Zandi, S., Dawra, G., and J. Dong, "Usage and Applicability of BGP Link State (BGP-LS) Shortest Path First (SPF) Routing in Data Centers", RFC 9816, DOI 10.17487/RFC9816, July 2025, <https://www.rfc-editor.org/info/rfc9816>.