CBR - Boosting Adaptive Classification By Retrieval of Encrypted Network Traffic with Out-of-distribution

• URL: http://arxiv.org/abs/2403.11206v1
• Date: Sun, 17 Mar 2024 13:14:09 GMT
• Title: CBR - Boosting Adaptive Classification By Retrieval of Encrypted Network Traffic with Out-of-distribution
• Authors: Amir Lukach, Ran Dubin, Amit Dvir, Chen Hajaj,
• Abstract summary: One of the common approaches is using Machine learning or Deep Learning-based solutions on a fixed number of classes. One of the solutions for handling unknown classes is to retrain the model, however, retraining models every time they become obsolete is both resource and time-consuming. In this paper, we introduce Adaptive Classification By Retrieval CBR, a novel approach for encrypted network traffic classification.
• Score: 9.693391036125908
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Encrypted network traffic Classification tackles the problem from different approaches and with different goals. One of the common approaches is using Machine learning or Deep Learning-based solutions on a fixed number of classes, leading to misclassification when an unknown class is given as input. One of the solutions for handling unknown classes is to retrain the model, however, retraining models every time they become obsolete is both resource and time-consuming. Therefore, there is a growing need to allow classification models to detect and adapt to new classes dynamically, without retraining, but instead able to detect new classes using few shots learning [1]. In this paper, we introduce Adaptive Classification By Retrieval CBR, a novel approach for encrypted network traffic classification. Our new approach is based on an ANN-based method, which allows us to effectively identify new and existing classes without retraining the model. The novel approach is simple, yet effective and achieved similar results to RF with up to 5% difference (usually less than that) in the classification tasks while having a slight decrease in the case of new samples (from new classes) without retraining. To summarize, the new method is a real-time classification, which can classify new classes without retraining. Furthermore, our solution can be used as a complementary solution alongside RF or any other machine/deep learning classification method, as an aggregated solution.

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