Method and arrangement for fast through-connect of virtual conne

Details Method and arrangement for fast through-connect of virtual conne Method and arrangement for fast through-connect of virtual conne

1996-01-19

1998-02-17

Safourek, Benedict V.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370397, 370400, 370439, H04L 1256

Patent

active

057198632

ABSTRACT:
A virtual connection (V) is pre-set from an originating to a destination ATM communication terminal equipment (KE(1),KE(2)) in an ATM communication network (KN) such that administration and maintenance cells (oam) can pass the preset connection (V). An administration and maintenance cell (oam1) is subsequently transmitted from the destination to the originating ATM communication terminal equipment (KE(2),KE(1)). An administration and maintenance and a through-connect information (oam3,di) inserted into the administration and maintenance cell (oam1) effect an immediate through-connect of the pre-set virtual connection (V) in the ATM communication systems (KS1,2) involved in the virtual connection (V). Alternatively, a known method for setting up and clearing down virtual connections can be incorporated into the method. As a result of the immediate through-connect, the "speech clipping" caused by a delayed through-connect due to signalling processing times is avoided, especially given telephone connections conducted via a plurality of ATM communication systems (KS).

REFERENCES:
patent: 5450394 (1995-09-01), Gruber et al.
patent: 5453979 (1995-09-01), Schibler et al.
patent: 5550821 (1996-08-01), Akiyoshi
patent: 5627836 (1997-05-01), Conoscenti et al.
Siemens AG, (1992), ATM Technologie Fur Zukunftige Breitbandnetze, pp. 1-22 .

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