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Abstract

A non-blocking virtual switch architecture for a data communication network. The switch includes a plurality of input ports and output ports. Each input port may be connected to each output port by a directly connected network or by a mesh network. Thus, data packets may traverse the switch simultaneously with other packets. At each output port, buffer space is dedicated for queuing packets received from each of the input ports. An arbitration scheme is utilized to forward data from the buffers to the network. Accordingly, the use of a crossbar array, and associated traffic bottlenecks, are avoided. Rather, the system advantageously provides separate buffer space at each output port for every input port.

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First Claim