Yavatkar, R., Hoffman, D., Bernet, Y., Baker, F., and M. Speer, "SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networks", RFC 2814, DOI 10.17487/RFC2814, May 2000, <https://www.rfc-editor.org/info/rfc2814>.