High-Speed Networks and Multimedia Communications 6th IEEE International Conference HSNMC 2003, Estoril, Portugal, July 23-25, 2003, Proceedings - Freire, Mário Marques; Freire, Mário Marques; Lorenz, Pascal; Lorenz, Pascal; Lee, Mike Myung-Ok; Lee, Mike Myung-Ok (Springer Berlin Heidelberg : Imprint: Springer, 2003)