Patent Number: 7,089,346

Title: Method of operating a crossbar switch

Abstract: The present invention relates to a method of operating a crossbar switch (1) having a control logic (2) and n input ports (i.sub.--0, . . . , i_n-1) and m output ports (o.sub.--0, . . . , o_m-1), wherein information packets of p different priority levels are routed from said n input ports (i.sub.--0, . . . , i_n-1) to said m output ports (o.sub.--0, . . . , o_m-1). Within said control logic (2), a pool (CRA) of buffers (CRA.sub.--0, CRA.sub.--1, . . . ) is provided for each crosspoint (4) for temporarily storing address information related to said information packets.

Inventors: Cebulla; Markus (Gerstetten, DE), Goldrian; Gottfried Andreas (Boeblingen, DE), Leppla; Bernd (Buchen-Boedigheim, DE), Schumacher; Norbert (Neuhausen, DE)

Assignee: International Business Machines Corporation

International Classification: G06F 13/00 (20060101)

Expiration Date: 8/08/02018