Mirsky, G., Meng, W., Ao, T., Khasnabish, B., Leung, K., and G. Mishra, "Active Operations, Administration, and Maintenance (OAM) for Service Function Chaining (SFC)", RFC 9516, DOI 10.17487/RFC9516, November 2023, <https://www.rfc-editor.org/info/rfc9516>.