| 摘要 |
An ATM data network switch having a plurality of slot controllers 11a-11f, each slot controller having at least one external data link 12/13 and being separately connected to two separate switch fabrics 14a,14b, each switch fabric comprising means for switching a data cell transmitted from any one of the slot controllers to any of the other slot controllers, characterised in that both of the switch fabrics are active at the same time and each slot controller comprises means for determining the availability of the data paths to all the other slot controllers through both switch fabrics and for selecting for each cell to be switched a data path through one or other of the switch fabrics according to the availability determined. |
