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Explore the challenges and solutions for designing high-performance Low Earth Orbit (LEO) satellite networks in this 16-minute conference presentation from USENIX ATC '25. Learn about LEOCraft, a comprehensive network design framework developed to address the complex engineering challenges of mega-constellations like OneWeb and SpaceX, where thousands of satellites operate at 22 times the speed of sound across 100+ countries. Discover how this framework enables visualization and performance evaluation of different LEO network design choices, featuring integrated optimization techniques that accelerate constellation design by approximately 5 times compared to traditional black-box optimization methods. Understand the scalability capabilities demonstrated through testing with 83,000 satellites across multiple orbital shells and 1,000 ground stations, exceeding twice SpaceX's long-term proposals. Gain insights into the critical need for specialized tools in LEO network design as the systems research community works to influence the development of these revolutionary space-based Internet infrastructure systems that serve millions of users globally.
