1. PPlive,
www.pplive.com
. Last Access was on 17th of April 2008
2. Joost,
www.Joost.com
. Last Access was on 18th of April 2008
3. PPStream,
www.ppstream.com
. Last Access was on February 2008
4. Sopcast,
www.sopcast.com
. Last Access was on January 2008
5. Lei J et al (2007) An experimental analysis of Joost peer to peer VOD services. Technical Report, Computer Networks Group, University of Gottingen, Germany