Network Control and Engineering for QOS, Security and Mobility, III : IFIP TC6 / WG6.2, 6.6, 6.7 and 6.8. Third International Conference on Network Control and Engineering for QoS, Security and Mobility, NetCon 2004 on November 2-5, 2004, Palma de Mallorca, Spain - Dominique Gaïti, Sebastià Galmés, Ramon Puigjaner ((IFIP Advances in Information and Communication Technology))