Packet switching network for a communication system

Details Packet switching network for a communication system Packet switching network for a communication system

1989-09-28

1991-11-19

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104, H04J 324

Patent

active

050671243

ABSTRACT:
The invention relates to a switching network for a communication system, comprising m/1 stages and in which cells are transmitted in accordance with a time-division multiple access method and the switching is effected on the basis of the routing information contained in the header. The arriving cells are temporarily stored in a buffer until a free frame is available. The queues built up in the buffers of the m/1 stages are to be processed in the most fair manner. For this purpose it is proposed to assign a memory to each m/1 stage of each auxiliary line (Zl . . . Zm), to which memory are applied the results of the comparisons between routing information and address of the trunk line (A) and to determine for the decision circuits the order in which the cells stored in the buffers (B) are read out.

REFERENCES:
patent: 4623996 (1986-09-01), McMillen
patent: 4754451 (1988-06-01), Eng et al.
patent: 4760570 (1988-07-01), Acampora et al.
patent: 4868813 (1989-09-01), Suzuki
patent: 4935922 (1990-06-01), Wicklund et al.
patent: 4969149 (1990-11-01), Killat et al.

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