Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network
Patent
1995-03-23
1997-05-13
Chin, Wellington
Multiplex communications
Data flow congestion prevention or control
Control of data admission to the network
370238, 370399, 370412, H04J 322, H04J 314
Patent
active
056299370
ABSTRACT:
An apparatus having a buffer store connected to an input line upon which ATM cells are received, and an output line upon which ATM cells are transmitted is provided. A control device receives, for each cell, a channel identifier and a path identifier from which a first signal is generated indicative of a maximum delay value which is applied to the buffer store and used to schedule the particular cell for transmission on a calendar controlling a sustainable cell rate. The control device generates a second signal indicative of a minimum delay value which is applied to the buffer and, in conjunction with the first signal, is used to schedule the particular cell for transmission on a calendar controlling the peak cell rate. The apparatus can also handle routing information, where a group of channel connections define a Route which share a peak cell rate for the Route and are scheduled on the peak cell rate calendar.
REFERENCES:
patent: 5253247 (1993-10-01), Hirose et al.
patent: 5278825 (1994-01-01), Wallmeier
patent: 5400336 (1995-03-01), Boyer et al.
Davis Simon P.
Hayter Andrew T.
Momtahan Paul P.
Wallmeier Eugen B.
Chin Wellington
Roke Manor Research Limited
Siemens Aktiengesellschaft
Vu Huy D.
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