Connectionless ATM network support using partial connections

Details Connectionless ATM network support using partial connections Connectionless ATM network support using partial connections

1992-07-22

1994-10-18

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 601, 370 681, H04L 1250, H04L 1256

Patent

active

053575083

ABSTRACT:
Method and apparatus for supporting the Asynchronous Transfer Mode (ATM) connectionless service by means of Partial Connections (PCs) in an ATM system (18). These PCs are established between the source users (10, 11, 17) of said ATM system (18) and the destination switching nodes (14) to which the destination users (15) are linked. The use of PCs has no constraints on the size of the domain, because the information the source user (10, 11, 17) inserts in the Virtual Path Identifier/Virtual Channel Identifier (VPI/VCI) field of ATM cells to be transmitted to a destination user (15), is local to the source switching node (12) to which the source user (10, 11, 17) is connected. The information inserted in the VPI/VCI field identifies the PCs along which ATM cells are to be routed.

REFERENCES:
patent: 5042029 (1991-08-01), Hayakawa
patent: 5163045 (1992-11-01), Caram et al.
patent: 5185743 (1993-02-01), Murayama et al.
"A Direct ATM Connectionless Service" by J. Y. LeBoudec et al, RACE 1035 (CPN) Temporary Working Document WP3.2/IBM/030.1, Aug. 23, 1991, CH, pp. 1-15.
"A Dynamically Controllable ATM Transport Network Based on the Virtual Path Concept" by S. Ohta et al, IEEE Globecom 88, vol. 3, Nov. 1988, U.S., pp. 1272-1276.
"Packet Forwarding" by W. S. Lai, IEEE Communications Magazine, vol. 26, No. 7, Jul. 1988, U.S. pp. 8-17.

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