Growable packet switch architecture

Details Growable packet switch architecture Growable packet switch architecture

1989-08-29

1990-09-04

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

049550179

ABSTRACT:
This invention is large N.times.N packet switch, formed using a plurality of smaller packet switches. The invention comprises an N input, L output interconnect fabric (L>N), and a plurality of J.times.K smaller packet switches (J>K). Each of the J inputs to each packet switch is connected to a separate one of the L outputs of the interconnect fabric, and each of the K outputs from each packet switch is connected to a destination equipment. In operation, packets are received at the N inputs to the interconnect fabric, and each packet is routed to one of the inputs of the packet switch associated with the destination user equipment for the packet. Simultaneous packets, up to J in number, are routed to separate inputs of a particular packet switch for distribution to their respective destinations, while all other simultaneous packets destined for user equipments associated with the same packet switch are lost, the probability of such a loss being acceptably small.

REFERENCES:
patent: 4577308 (1986-03-01), Larson et al.
patent: 4623996 (1986-11-01), McMillen
patent: 4630259 (1986-12-01), Larson et al.
patent: 4630260 (1986-12-01), Toy et al.
patent: 4730305 (1988-03-01), Acampora et al.
patent: 4754451 (1988-06-01), Eng et al.
patent: 4760570 (1988-07-01), Acampora et al.
patent: 4837761 (1989-06-01), Isono et al.
IEEE Transactions on Communications, vol. 36, No. 6, Jun. 1988, "Design of a Broadcase Packet Switching Network", J. S. Turner, pp. 734-743.

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