Packet data communication system with ring type transmission lin

Details Packet data communication system with ring type transmission lin Packet data communication system with ring type transmission lin

1987-06-29

1989-02-28

Griffin, Robert L.

Multiplex communications

Wide area network

Packet switching

3408255, 34082506, H04J 302

Patent

active

048092673

ABSTRACT:
A packet data communication system with a ring-type transmission line circulates a predetermined number of slots in which packets to be transmitted are loaded. The system includes interface nodes, provided on the ring-type transmission line, for loading packets on slots and receiving packets from slots for terminals connected thereto. In each interface node, there are a predetermined number of sub-transmission lines, for passing each of slots in parallel through the interface node, terminal interfaces each having a plurality of sending buffers for storing packets and a plurality of receiving buffers for storing packets, and a switch for connecting each of the sending buffers and receiving buffers to any one of the sub-transmission lines.

REFERENCES:
patent: 4574375 (1986-03-01), Kemp et al.
patent: 4593280 (1986-06-01), Grow
patent: 4623886 (1986-11-01), Livington

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