A Real-Time Pre-processing System for Mobile Core Network Measurement

With the rapid increasing number of mobile devices being used as essential terminals or platforms for communication, security threats now target the whole telecommunication infrastructure. However, most of the software-based passive measurement system (PMS) could not achieve high performance to adapt the high-bandwidth mobile network. In this paper, we propose NTW, a real-time pre-processing system deploys between high-speed mobile core network and PMS to accomplish the large and repetitive work, such as decapsulation, decompression and PPP character unescape before the PMS receives the traffic flow. We evaluated the performance and accuracy of our NTW over a wide-area real network. Evaluation results indicate that NTW can achieve more than 15Gbps.

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