1. Information Technology—Computer graphics and image processing—The Virtual Reality Modeling Language (VRML)—Part 1: Functional Specification and UTF-8 encoding, ISO/IEC 14772-1:1997, 1997.
2. Ethereal, network protocol analyzer. http://www.ethereal.com.
3. Java Media Framework API, On-line documentation. http://www.java.sun.com/products/java-media/jmf.
4. Rtpmon: a third-party RTCP monitor. http://bmrc.berkeley.edu/∼drbacher/projects/mm96-demo/index.html.
5. Session directory tool, Repository of Mbone Conferencing Applications. http://www-mice.cs.ucl.ac.uk/multimedia/software/sdr.