Importance

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Abstract

A network switch and a method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently that increases throughput and reduces scheduling complexity. The network switch includes a crossbar switch fabric, plurality of output port groups, and a plurality of input ports. The crossbar switch fabric includes a plurality of inputs and outputs. The plurality of output port groups operate concurrently and independently, and each output port group includes one or more output ports and is configured to receive a packet from one of the outputs of the crossbar switch and to send the packet to an output port. The plurality of input ports are coupled to an input of the crossbar switch fabric and configured to send packets to the crossbar switch fabric through the input of the crossbar switch fabric. Each input port includes a plurality of input buffer groups, and each input buffer group is assigned to send a packet for one of the output port groups such that there is a one-to-one correspondence between each of the input buffer groups and output port groups.

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First Claim