Requirements for PCE Applied in OTN
ZTE Corpoporation
ZTE Corpoporation
ZTE Corpoporation
This document describes specific requirements for applying Path Computation Element (PCE) in Optical Transport Networks (OTN). Lightpath provisioning in OTN needs the pre-consideration of the Optical Data Unit (ODUk) cross connection because of the additional optical impairments constraints on the Optical Channel (OCh) lightpath available for use.