Multiplex communications – Wide area network – Packet switching
Patent
1986-06-19
1988-02-23
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
H04J 316
Patent
active
047275367
ABSTRACT:
Methods and apparatuses for efficiently allocating bandwidth to data, control and multiplexer overhead and for providing flexible data rates and control rates are provided. The apparatuses of the invention are used in a time division miltiplexer which multiplexes for transmission over and for receipt from at least one aggregate line in accord with at least one frame, data and control information from a plurality of channels and multiplexer overhead information. The method comprises: determining the requested data transmission rates for each data channel and the aggregate line; determining the requested control transmission rates for each data channel; summing the total of the requested data transmission rates to produce a second total, summing the first and second totals, determining whether the sum of the first and second total exceeds the determined transmission rate of the aggregate line, decreasing the data rate channel thereby changing the first total to ensure that the aggregate line rate is at least equal to the sum of the first and second total.
REFERENCES:
patent: 3982074 (1976-09-01), Clark
patent: 4488293 (1984-12-01), Haussmann et al.
patent: 4658152 (1987-04-01), Walters
Manning David J.
Reeves Jonathan M.
Busch James E.
General Datacomm, Inc.
Gordon David P.
Olms Douglas W.
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