Circuit emulating exchange using micro cells

Details Circuit emulating exchange using micro cells Circuit emulating exchange using micro cells

1995-06-02

1998-09-08

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

370395, 370469, 370474, H04L 1256

Patent

active

058055886

ABSTRACT:
A method for switching synchronous transfer mode cells in a circuit emulated ATM switch using a layered protocol model. Each cell is delivered to the circuit emulated ATM switch on a frame oriented basis and each such cell comprises a header and a payload. The header comprises fields storing details about the cell. The payload comprises time slots carrying user data. The ATM switch is provided with means for assigning a predetermined number of time slots to a cell that is transported on a physical medium. The cell, referred to as a PR-PDU-cell, can have any of a number of sizes ranging from 4, 8, 12, 16, 20, 56 and 60 octets. This reduces the packetizing time of a cell.

REFERENCES:
patent: 5422882 (1995-06-01), Hiller et al.
patent: 5513127 (1996-04-01), Gard et al.

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