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EDP Sciences Security and Safety 4
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    초록·키워드

    Criminals exploit the robust anonymity afforded by Tor for illicit purposes, prompting heightened interest among researchers in de-anonymization attacks on the Tor network. The execution of experiments on de-anonymization attacks within a real Tor network presents considerable challenges, hence the necessity for a simulation environment. However, existing methods for simulating the Tor network are inadequate regarding realism, flexibility, and scalability, with some being prohibitively expensive. In this paper, we develop a lightweight and scalable Tor network simulation environment based on Kubernetes (K8s), employing Docker containers to simulate Tor relays. The results demonstrate that a network of up to a thousand Tor relays can be simulated using just four standard hosts. Furthermore, two de-anonymization attack experiments were conducted within this simulated environment, which exhibited high levels of realism and flexibility. Finally, a hybrid networking approach combining multi-granularity relays was explored to enhance further the balance between realism and cost in Tor network simulations.

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