04991204 is referenced by 138 patents and cites 2 patents.

In a telecommunications network in which a plurality of switching nodes are interconnected via links each composed of a plurality of trunks and are each connected to a network control center via a control signal link, the network control center determines for each switching node a predetermined number of alternate routes for each first route on the basis of traffic data in the telecommunications network and supplies them as a set of available alternate routes to the switching node. The switching node assigns one or more of the available alternate routes in advance. The switching node responds to a call-connection request to try to connect the call to the first route, and when having failed in the call connection, the switching node retries the call connection through one of the assigned routes.

Title
Adaptive routing control method
Application Number
7/433949
Publication Number
4991204
Application Date
November 9, 1989
Publication Date
February 5, 1991
Inventor
Yoshitaka Hoshi
Tokyo
JP
Masato Suyama
Tokyo
JP
Hiroo Itou
Musashino
JP
Akiya Inoue
Iruma
JP
Kenichi Mase
Tokyo
JP
Hisao Yamamoto
Tokyo
JP
Agent
Pollock Vande Sande and Priddy
Assignee
Nippon Telegraph and Telephone Corporation
JP
IPC
H04M 3/36
H04M 7/06
H04Q 3/54
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