1. Johnson D M: ’QoS control versus generous dimensioning’, BT Technol J, 23, No 2, pp 81–96 (April 2005).
2. IETF RFC2475: ‘An Architecture for Differentiated Services’, — http://www.ietf.org/rfc/rfc2475.txt
3. IETF RFC3550: ‘RTP: A Transport Protocol for Real-Time Applications’, — http://www.ietf.org/rfc/rfc3550.txt
4. IETF RFC3551: ‘RTP Profile for Audio and Video Conferences with Minimal Control’, — http://www.ietf.org/rfc/rfc3551.txt
5. IETF Internet Draft: ‘Extended RTP Profile for RTCP-based Feedback (RTP/AVPF)’, — http://www.ietf.org/internet-drafts/draft-ietf-avt-rtcp-feedback-11.txt