Process for the establishment of virtual connections passing thr

Details Process for the establishment of virtual connections passing thr Process for the establishment of virtual connections passing thr

1989-02-17

1990-03-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04J 326

Patent

active

049072200

ABSTRACT:
For the establishment of vertual connections passing through switching matrices of a multi-stage switching system, it is provided that upon the arrival of a call packet requesting the establishment of a virtual connection, a central control device identifies all the switching matrices involved in the connection to be established and determines setup information that must be assigned to each of them in order to establish the connection. This setup information is fed to the individual switching matrices from the central control device in a setup packet along the path of the virtual connection to be established.

REFERENCES:
patent: 4218756 (1980-08-01), Fraser
patent: 4491945 (1985-01-01), Turner
patent: 4837761 (1989-06-01), Isono et al.

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