+Therefore, we have developed and implemented StarPerf, a mega-constellation performance simulation platform that enables constellation manufacturers and content providers to estimate and understand the achievable performance under a variety of constellation options. The proposed platform integrates three key techniques: (1) performance simulation for mega-constellation, which captures the impact of the inherent high mobility in satellite networks and profiles the area-to-area attainable network performance; (2) constellation scaling, which synthesizes various topological options by scaling the space resource (e.g. number of satellite, link availability and capacity), and enables exploration on multiple operating conditions that can not be easily reproduced; (3) security simulation for LEO satellite networks, which is based on attack modeling and numerical simulation. We have added traffic plugins and communication energy consumption plugins to StarPerf, and used it to reproduce the link flooding attack proposed in [Time-varying Bottleneck Links in LEO Satellite Networks: Identification, Exploits, and Countermeasures](https://www.ndss-symposium.org/ndss-paper/time-varying-bottleneck-links-in-leo-satellite-networks-identification-exploits-and-countermeasures/)(NDSS 25) and the energy drain attack proposed in [Energy Drain Attack in Satellite Internet Constellations](https://ieeexplore.ieee.org/document/10188709)(IWQoS 23).
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