Multiplex communications – Wide area network – Packet switching
Patent
1991-05-23
1993-12-07
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 60, 370 601, 370 681, 379220, 379221, 379230, 340827, H04Q 1104, H04M 700
Patent
active
052688950
ABSTRACT:
In a common channel signaling network which includes a plurality of signaling points or point codes connected to each other by signaling data links, a routing message is received from a remote signaling point via a signaling data link and translated into availability states and congestion levels of a message transfer controller and a signaling subsystem controller part and stored into a point code status memory. A composite state of a point code is derived from the stored availability states and congestion levels to create a local database. In accordance with the composite state of a point code, the routing of signaling messages to that point code is controlled. In response to a request, the composite state of a point code of the network is reported to the requesting user. The composite states of the code points are constantly monitored. When a change occurs, a new composite state is broadcast to all users.
REFERENCES:
patent: 4979118 (1990-12-01), Kheradpir
patent: 4984264 (1991-01-01), Katsube
patent: 5042064 (1991-08-01), Chung et al.
patent: 5067074 (1991-11-01), Farel et al.
patent: 5128932 (1992-07-01), Li
Kizou Hassan
NEC Corporation
Olms Douglas W.
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