Packet switching network with alternate trunking function to rep

Details Packet switching network with alternate trunking function to rep Packet switching network with alternate trunking function to rep

1989-07-19

1991-07-23

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370014, H04J 326, H04L 100

Patent

active

050349457

ABSTRACT:
A switching network having a plurality of repeater nodes, wherein each repeater node checks the number of times data packet has been received. If in excess of predetermined number, the repeater node transmits a looped trunk detection packet, the looped trunk detection packet being arranged to be written with the node address of each of the plurality of repeater nodes within a looped trunk as its repeating history. The repeater node checks whether the node address thereof is written in the repeating history or not. If the result is negative, the looped trunk detection packet is repeated and transmitted by writing the node address of the repeater node in the repeating history. If the result is positive, the repeater node does not repeat transmission of the succeeding packets from the repeater node to the route of the looped trunk, and transmits a looped trunk notification packet to repeater nodes. The looped trunk detection notification packet then forbids to repeat transmission of the succeeding packets from each of the other repeater nodes to the route of the looped trunk.

REFERENCES:
patent: 4849968 (1989-07-01), Turner
patent: 4894823 (1990-01-01), Adelmann et al.
patent: 4920529 (1990-04-01), Sasaki et al.
Yagi et al., "Computer Network", Asakura Shoten, Jun 15, 1983, pp. 21-24.

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