Method for setting up virtual connections in packet switching ne

Details Method for setting up virtual connections in packet switching ne Method for setting up virtual connections in packet switching ne

1992-08-28

1994-04-26

Safourek:, Benedict

Multiplex communications

Wide area network

Packet switching

370 681, H04L 1256

Patent

active

053073444

ABSTRACT:
Method for setting up virtual connections in packet switching networks. In response to a call request with which the set up a virtual connection is requested and that is supplied to an originating switching center (for example, Verm1) of a first packet switching network (PVN1), the appertaining call request is modified when a suitable transmission path within the first packet switching network is not present. The modified call request is then transmitted via a network interface location (UE1) to a second packet switching network (PVN2) in order to set up an alternate route upon involvement of a further network interface location (UE2), to the destination switching equipment (Verm1) of the first packet switching network (PVN1) that participates in the virtual connection that was just requested.

REFERENCES:
patent: 5014266 (1991-05-01), Bales et al.
patent: 5140588 (1992-08-01), Danner
patent: 5189667 (1993-02-01), Esaki et al.

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