Multiplex communications – Fault recovery – Bypass an inoperative channel
Patent
1997-10-27
2000-11-28
Chin, Wellington
Multiplex communications
Fault recovery
Bypass an inoperative channel
370242, 370243, G01R 3108
Patent
active
061544442
ABSTRACT:
In a connection-oriented network, a route table and a network resource table are provided in a source node which updates the network resource table in response to a topology state message which is flooded through the network whenever there is a change in the available network resources. The source node updates the network resource table in response to an early-arriving trouble report message from the network if such a change in the available network resources occurs when a connection is being progressively established or already established from the source node. In response to a connection setup message, the source node fetches a route from the route table and compares a user's requirement such as quality and/or bandwidth with the resource data of the fetched route stored in the network resource table. A connection is established via the fetched route if the resource data of the fetched route in the network resource table indicates that the fetched route can support the requirement.
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Iwata Atsushi
Masuo Hitoshi
Chin Wellington
NEC Corporation
Santiago Enrique L
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