Method and system of smoothing and control of asynchronous time

Details Method and system of smoothing and control of asynchronous time Method and system of smoothing and control of asynchronous time

1990-12-13

1994-03-22

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370108, H04J 324, H04L 2530

Patent

active

052971406

ABSTRACT:
The invention smooths asynchronous time communication outputs which are formed by cells received from an incoming synchronous time multiplex(XE) in order to supply an outgoing asynchronous time multiplex(XS). Each incoming cell is stored in a buffer memory (MT) with an address (Add) corresponding to the actual time when that cell will be transmitted (t) on the outgoing time multiplex (XS). The address (Add) of the cell entering the buffer memory (MT) is determined by calculating a function of the theoretical minimum time period (pm) between outgoing cells. The searching in the buffer memory (MT) is for the first free address (Add) corresponding to an actual transmission time (t) which is chronologically beyond the next theoretical transmission time (tso). The actual time for outgoing transmission is determined as a function of a period (pm) allotted to the communication to which the incoming cell belongs. The period (pm) corresponds to the theoretical minimum time period between transmitted cells in the outgoing synchronous time multiplex (XS).

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IEEE Journal on Selected Areas in Communications, vol. SAC-5, No. 8, Oct. 1987, pp. 1315-1326, IEEE, New York, M. G. H. Katevenis: "Fast switching and fair control of congested flow in broadband networks", p. 1318, colonne de gauche, lines 2-27.

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