Multiplex communications – Network configuration determination
Reexamination Certificate
2011-06-07
2011-06-07
Kumar, Pankaj (Department: 2467)
Multiplex communications
Network configuration determination
C370S401000, C709S221000
Reexamination Certificate
active
07957324
ABSTRACT:
The disclosed network includes two rings, wherein a first ring transmits data in a clockwise direction, and the other ring transmits data in a counterclockwise direction. The traffic is removed from the ring by the destination node. During normal operations (i.e., all spans operational), data between nodes can flow on either ring. Thus, both rings are fully utilized during normal operations. The nodes periodically test the bit error rate of the links (or the error rate is constantly calculated) to detect a fault in one of the links. The detection of such a fault sends a broadcast signal to all nodes to reconfigure a routing table within the node so as to identify the optimum routing of source traffic to the destination node after the fault.
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Bannai Vinay K.
Fan Jason C.
Jogalekar Prasad P.
Adtran Inc.
Duong Duc T
Kumar Pankaj
Sawyer Law Group P.C.
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