Software-Defined Satellite Market Size, Share & Industry Analysis, By Payload Architecture (Transparent/Bent-Pipe, Regenerative/On-Board Processed, & Hybrid Transparent-Regenerative), By Application (Broadband Connectivity, Mobility Connectivity, Government & Defense, Enterprise/Backhaul Connectivity & Broadcast), By End User (Commercial Satellite Operators, Government/Civil Agencies, Military, Network Service, Enterprise/Mobility Service), By Orbit, By Throughput Class (Conventional, High, Very High, & Multi-Terabit/Extreme-Capacity), and Regional Forecast, 2026-2034