Transmission system of system of system control information in a

Details Transmission system of system of system control information in a Transmission system of system of system control information in a

1991-02-25

1994-02-08

Kuntz, Curtis

Multiplex communications

Wide area network

Packet switching

370 855, 370 8512, 370 8514, 3701101, H04J 302, H04J 312

Patent

active

052854485

ABSTRACT:
In a system control information transmission system in a ring LAN system, each of a plurality of data transmission devices transmits a transmission frame including a user information transmission area and a system control information transmission area to an adjacent data transmission device at peculiar periods independent of the state of the system, i.e., a failure in the system. The system control information transmission area in the transmission frame is used to transmit system control information only required to be relayed to a downstream data transmission device.

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patent: 5081654 (1992-01-01), Stephenson, Jr. et al.
patent: 5103447 (1992-04-01), Takiyasu et al.

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