Patent ID: 9143227
Filing Date: 2015-09-22
Classification: H04B,H04J

Abstract:
1. An Optical Transport Network (OTN) port protection method, comprising: provisioning a working port and a protection port between two OTN network elements, the working port and the protection port providing linear OTN protection therebetween; selecting one or more switch criteria based on received data between the working port and the protection port, wherein the switch criteria include Section Monitoring, Path Monitoring, and Tandem Connection Monitoring in OTN overhead on the working port monitored for associated protection switching, and wherein, when selected as switch criteria, the Path Monitoring and the Tandem Connection Monitoring are configured as transparent through intermediate nodes; and automatically setting up a switch mode for the two OTN network elements based on the selected switch criteria; wherein the linear OTN protection comprises Subnetwork Connection Protection with and without an Automatic Protection Switching protocol.