Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1996-07-18
1998-07-28
Patel, Ajit
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370464, H04L 1228, H04L 1256
Patent
active
057870861
ABSTRACT:
The invention comprises a method and apparatus for emulating a circuit connection in a cell based communications network. A virtual connection is sent from a source connected to the network to a node in the network wherein the virtual connection comprises a series of data cells comprising a header portion and a data portion. The virtual connection is transported across at least one communications link connecting the first node to a second node in the network. A first queue is dedicated to the virtual connection at each node in the network through which the signal passes. The queue comprises a first amount of buffer space, is dedicated for the duration of the circuit connection and, dedicated only to that virtual connection. A first amount of link bandwidth is allocated to the virtual connection on each communications link across which the virtual connection passes. The amount of link bandwidth is allocated for the duration of the circuit connection and is allocated only to that particular virtual connection. The virtual connection is received at a destination connected to the communications network at a node of the communications network.
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Head of Line Arbitration in ATM Switches With Input-Output Buffering and Backpressure Control. By Hosein F. Badran and H. T. Mouftah, Globecom '91, pp. 0347-0351.
Caldara Stephen A.
Hauser Stephen A.
Manning Thomas A.
McClure Robert B.
Fujitsu Limited
Fujitsu Network Communications, Inc.
Patel Ajit
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