F. de Belleville ENSICA/TéSA, 1, place Emile Blouin, 31000 Toulouse, FRANCE ENSEEIHT /IRIT, 2, rue Charles Camichel, BP 7122 F 31071 Toulouse, FRANCE L. Dairaine. NICTA, National ICT Australia, Australian Technology Park, Eveleigh NSW 1430, AUSTRALIA ENSICA/TéSA, 1, place Emile Blouin, 31000 Toulouse, France M. Gineste. ENSICA, 1, place Emile Blouin, 31000 Toulouse, France C. Fraboul ENSEEIHT /...