Multi-mode high speed network switch for node-to-node communicat

Details Multi-mode high speed network switch for node-to-node communicat Multi-mode high speed network switch for node-to-node communicat

1995-03-15

1996-10-15

Kizou, Hassan

Multiplex communications

Wide area network

Packet switching

370 681, 370 15, H04L 1256

Patent

active

055661718

ABSTRACT:
The present invention provides a an improvement in circuit switching for a network comprising a switching apparatus having a plurality of transceivers for interfacing directly with a like plurality of user nodes. Each of the transceivers having a receive and transmit through port for passing data to and from user nodes and a network, said data comprising a connect sequence, a first wait sequence, a routing packet, a second wait sequence, user data, and a disconnect sequence. The switching apparatus further includes means for isolating each transceiver to loop back data when not in use and switching means for directly connecting any pair of transceivers. Finally a switch controller is provided for establishing and prioritizing matrix connections and disconnections, and decoding routing packets. In operation, a requesting node sequentially transmits a connect sequence, routing packet and user data to the network switch assuming node-to-node communication has been established with a target node, whereupon the isolation means loops user data back to the requesting node when the target node is unavailable.

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"TQ8016 16.times.16 Digital Crosspoint Swich"; TQS Digital Communications and Signal Processing; date unknown.

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