Signaling system for simultaneously and autonomously setting...

Details Signaling system for simultaneously and autonomously setting... Signaling system for simultaneously and autonomously setting...

2005-10-26

2009-12-29

Ngo, Ricky (Department: 2416)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S258000

Reexamination Certificate

active

07639607

ABSTRACT:
A signaling system able to improve the efficiency of utilization of network resources and autonomously set a correct spare route, that is, a signaling system setting a path passing through two rings interconnected by a plurality of nodes by signaling wherein each node is provided with an inter-node connection information table including topology information in the network and a branch node judgment unit for judging whether a home node is a branch node based on the content of the inter-node connection information table and wherein when the home node receives a signaling message for setting a working path and it is judged that the node is a branch node, the signaling of the spare path is started for the destination node of the spare path based on the information in the inter-node connection information table so as to autonomous set the spare path.

REFERENCES:
patent: 6530032 (2003-03-01), Shew et al.
patent: 6532088 (2003-03-01), Dantu et al.
patent: 6731597 (2004-05-01), Batchellor et al.
patent: 2002/0024931 (2002-02-01), Chikazawa et al.
patent: 2003/0118024 (2003-06-01), Lee et al.
Louis Berger, GMPLS Based Segment Recovery, Oct. 2004, pp. 1-9.

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