http://www.rfc-editor.org/rfc/rfc2697.txt
RFC 2697: A Single Rate Three Color Marker, J. Heinanen, R. Guerin1999-09-01T23:00:00-00:00This document defines a Single Rate Three Color Marker (srTCM), which can be used as component in a Diffserv traffic conditioner. This memo provides information for the Internet community.