Patent ID: 9485015
Filing Date: 2016-11-01
CPC Classification: H04B,H04J

Claim Text:
1. A method comprising the steps of: receiving, by circuitry of an optical node adapted for wavelength multiplexing and wavelength switching, a signal over an optical control channel, the signal conforms to an optical carrier (OC-N) frame format, and the signal includes a transport overhead portion of a synchronous transport signal frame format, the transport overhead portion including D receiving, with the interfaces, wavelength division multiplexed optical signals; wherein the optical carrier frame format comprising a first synchronous transport signal frame, a second synchronous transport signal frame, and a third synchronous transport signal frame, the synchronous transport signal frames having a synchronous transport signal frame format; wherein the terminating, by circuitry of the optical node, the signal at the optical node; and notifying, by circuitry of the optical node, software of the status of the optical layer in the optical transport network based on at least one of the D