A switch for use with an InfiniBand network. The switch includes a crossbar that redirects packet based data based on a forwarding table. At least one port that receives data from a network and selectively transfers that data to the crossbar at 1, 4, and 12 speeds. A state machine that controls the changing...http://www.google.fr/patents/US20040001487?utm_source=gb-gplus-shareBrevet US20040001487 - Programmable InfiniBand switch