1. An Architecture for Differentiated Services, IETF RFC 2475, December 1998.
2. Service Level Specification Semantics and Parameters, Internet Draft: draft-tequila-sls-02.txt, February 2002.
3. Internet Delay Measurements using Test Traffic, RIPE NCC, Doc N. 158, June 1997, available at www.ripe.net.
4. Lecture Notes;Fraleigh,2001