Automatic control plane recovery for agile optical networks
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United States of America Patent
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N/A
Issued Date -
Nov 21, 2002
app pub date -
Mar 4, 2002
filing date -
Mar 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This application proposes a solution for providing fast auto-recovery of the control plane network against a control link failure in an optical communications network. The described solution applies to both protected and unprotected control channels. If a control channel is protected, the solution is triggered only when the protection control channel cannot resume the connectivity. In a control link failure situation each node in a neighboring pair attempts to find an alternate control route before informing the network manager of the link failure. If an alternate route is established, the control plane is quickly re-established without involving system resources.
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