Self-distributed logical channel node failure restoring system

Details Self-distributed logical channel node failure restoring system Self-distributed logical channel node failure restoring system

1991-06-24

1992-12-22

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

371 82, 371 111, H04B 338, G06F 1100

Patent

active

051736896

ABSTRACT:
A self-distributed transmission line failure restoring system includes three nodes or more arbitrarily interconnected by bidirectional transmission lines. Each of the nodes includes an alternate route search information transmitting unit, an alternate route connection information transmitting unit, a check information transmitting unit, and a check information receiving unit. The alternate route search information transmitting unit transmits alternate route search information to all of the connected transmission lines. The alternate route connection information transmitting unit forms alternate route connection information having a node trace and transmitting the information to a connection destination node. The check information transmitting unit receives the alternate route connection information to set an alternate route and transmitting check information having a node trace to a connection source node through the set alternate route. The check information receiving unit receives the check information to determine an alternate route of a failed transmission line.

REFERENCES:
C. Han Yang et al., "Failure Immunization Technology for Network Service Survivability", 1988 IEEE, 1988, pp. 1549-1554.
Hamid R. Amirazizi "Controlling Synchronous Networks with Digital Cross-Connect Systems", 1988 IEEE, 1988, pp. 1560-1563.
W. D. Grover "A Fast Distributed Restoration Technique for Networks Using Digital Crossconnect Machines" 1987 IEEE, 1987, pp. 1090-1095.

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