http://www.rfc-editor.org/rfc/rfc2859.txt
RFC 2859: A Time Sliding Window Three Colour Marker (TSWTCM), W. Fang, N. Seddigh, B. Nandy2000-06-01T23:00:00-00:00This memo defines a Time Sliding Window Three Colour Marker (TSWTCM), which can be used as a component in a Diff-Serv traffic conditioner. This memo defines an Experimental Protocol for the Internet community.