Nowadays, networks and telecommunications are two of the most active ?elds. Research and development in these areas have been going on for some time, reaching the stage of products. The objectives of HSNMC 2004 (International Conference on High Speed Networks and Multimedia Communications) were to promote research and development activities and to encourage communication between academic researchers and engineers throughout the world in the areas related to high-speed networks and multimedia communications. The seventh edition of HSNMC was held in Toulouse, France, on June 30- July2,2004....