Optical network in-band control plane signaling, virtualized channels, and tandem connection monitoring systems and methods
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United States of America Patent
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Apr 9, 2013
Grant Date -
May 3, 2012
app pub date -
Oct 28, 2010
filing date -
Oct 28, 2010
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Abstract
The present disclosure provides improvements with respect to in-band control plane signaling, virtualized channels, and tandem connection monitoring in optical networks utilizing Synchronous Optical Network (SONET), Synchronous Digital Hierarchy (SDH), Optical Transport Network (OTN), and the like. In an exemplary embodiment, the present disclosure includes an optical network operating a control plane with in-band signaling utilizing SONET/SDH path level overhead. In another exemplary embodiment, the present disclosure includes an optical network operating virtualized SONET/SDH or OTN channels with manually cross-connections at intermediate line terminating elements. In yet another exemplary embodiment, the present disclosure includes a tandem connection monitoring selection method across multiple operator domains.
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