Optical Transport Network Market Size, Share & Trends Analysis Report By Component (Optical Transport Equipment, Optical Transport Software, Services), By Technology (Dense Wavelength Division Multiplexing, Coarse Wavelength Division Multiplexing, Optical Transport Network Switching), By Data Rate (Up to 100 Gbps, 100 to 400 Gbps, Above 400 Gbps), By End User (Telecom Operators, Cloud Data Center Providers) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034