VPI and VCI assignment system in ATM system

Details VPI and VCI assignment system in ATM system VPI and VCI assignment system in ATM system

1992-10-22

1994-08-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 582, H04J 312

Patent

active

053393180

ABSTRACT:
In a VPI and VCI assignment system in an ATM system having a plurality of nodes and terminals, each of the nodes including a conversion unit which generates ATM cells from data sent from one of the terminals, and a node management unit which manages a corresponding one of the nodes, a management unit assigns VPIs and VCIs to calls and manages information concerning VPIs and VCIs currently assigned to the calls and idle VPIs and VCIs. An assignment requesting unit, which is provided in each of the nodes and connected to the management unit, requests the management unit to assign a VPI and a VCI to a call received from one of the terminals. An assignment cancelling unit, which is provided in each of the nodes and connected to the management unit, requests the management unit to cancel the VPI and VCI assigned to the call in response to an end of a communication related to the call.

REFERENCES:
patent: 5051982 (1991-09-01), Brown et al.
patent: 5067123 (1991-11-01), Hyodo et al.
patent: 5084867 (1992-01-01), Tachibana et al.

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