Digital data packet switching module for allocating empty...

Details Digital data packet switching module for allocating empty... Digital data packet switching module for allocating empty...

H - Electricity

04

Q

344/28

H04Q 3/42 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2039480

The invention relates to a switching module comprising input buses (1-1) ..., 1-n) and at least one output bus (2-ij), in which each input bus, for data packet transmission, is connected to the output bus by means of a crosspoint switch (4-i). Each crosspoint switch (4-ij) has a unique address and a request output (61) for sending out a request signal. The switching module further includes allocation means (3-j) which place empty packets having the unique address of a crosspoint switch (4-ij) onto the output bus (2-j). The allocation means (3-j) comprise recording means (105,201) for receiving the request signals and include a FIFO (107,206) for storing representations of the unique crosspoint switch addresses that are derived from the request signals. The allocation means (3-j) further include a packet generator (103) for deriving addresses from the representations from the queue store (107,206) and allocating these addresses to the empty packets.

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