Bus transmission method and system

Details Bus transmission method and system Bus transmission method and system

1991-07-09

1993-10-05

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 856, 370 941, 3408255, H04J 302

Patent

active

052512126

ABSTRACT:
The transmission method and system use a bus (8) which interconnects a plurality of devices (4, 5A through 5E) requiring to communicate with each other using cells obtained by grouping together octets representative of isochronous or asynchronous transmission channels and which comprise "p" physical time-division multiplex links 8.sub.1 through 8.sub.p) to which each device is connected. The cells are transmitted in serial form, one cell per link, after a contention phase between devices simultaneously requiring to transmit during which these devices simultaneously use the same one of the "p" links to send on it conjointly and bit by bit a contention resolution message on the basis of their respective individual priority. Each contention phase is related to a different link and the contention phases are staggered in time so as to limit the unresolved contentions at any given time to a single one of the "p" physical links.

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