00346nas a2200109   4500000000100000000000100001008004100002260007000043100002800113700001600141245007900157       1996                            d  cmaybExpert Platform for Engineering Research and Trials (EXPERT)1 aLlorenç Cerdà-Alabern1 aOlga Casals00aA Simulation Study of Switching Mechanisms for ABR Service in ATM Networks