ting Line Quality of Experience Pulse Amplitude Modulation Quality of Service Provider Backbone Bridge Quadrature Phase Shift Keying PBB-TE Provider Backbone Bridging with Traffic Engineering Rayleigh Backscattering Provider Backbone Transport Routing Designator Polarization-Dependent Reverse Dispersion Fiber Chromatic Dispersion Radio Frequency Pulse Code Modulation Red, Green, Blue Paired Comparison Test Relative Intensity Noise Positive-Dispersion Fiber Root Mean Square Polarization-Dependent Gain Rectangular Probability Density Plesiochronous Digital Function Hierarchy Resilient Packet Rings Polarization-Dependent Loss Reed-Solomon (Error Protocol Data Unit Correcting Codes) Provider Edge Rivest-Shamir-Adleman (Public Payload FC Indicator Key Encryption Algorithm) Per-Hop Behavior RS-ACK Resequence Acknowledgement Penultimate Hop Popping Regenerator Section Overhead Ethernet Physical Layer Rapid Spanning Tree Protocol p-i-n Positive-Intrinsic-Negative Reservation Protocol (semiconductor diode) RSVP-TE Reservation Protocol with Packet Loss Concealment Traffic Engineering Phase Lock Loop Real-Time Transport Protocol Phase Modulation Return to Zero Polarization Mode Dispersion Pseudonoise Storage Area Network Private/Public Network- Subband Coding Network Interface Stimulated Brillouin Scattering Path Overhead Synchronous Digital Hierarchy Passive Optical Network SECAM Sequential Color and Memory Point of Presence Single Error Detecting Plain Old Telephone Service Service Instance Identifier Pulse Position Modulation Source Input Format Point-to-Point Protocol Service Level Agreement Priority Queuing Single-Mode Fiber Pseudorandom Binary Signal-to-Noise Ratio Sequence Semiconductor Optical Primary Rate Interface Amplifier Pure Silica Core Fiber Section Overhead Per-Site Forwarding Table SONET Synchronous Optical Network Phase Shift Keying State of Polarization Principal State of Polarization Synchronous Payload Envelope Public Switched Telephone Self-Phase Modulation Network Sequence Number Payload Type Identifi