Patent ID: 9270366
Filing Date: 2016-02-23
CPC Classification: H04B,H04J,H04L

Claim Text:
1. An apparatus comprising: a receiver configured to receive a path computation element protocol (PCEP) path computation request from a path computation client (PCC), wherein the path computation request comprises an impairment validation request that directs a path computation element (PCE) to perform an impairment validation of a computed network path, wherein a type length value (TLV) is included in the impairment validation request, and wherein the TLV comprises a first Pass (P) bit that indicates whether a signal quality impairment to be validated is a link level impairment; a processor coupled to the receiver and configured to implement the PCE by: a transmitter coupled to the processor and configured to transmit a PCEP reply to the PCC, wherein the PCEP reply comprises an estimated optical signal impairment value resulting from the impairment validation of the computed network path.