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Network monitoring generates massive volumes of IP flow records, posing significant challenges for storage and analysis. This paper presents a novel deep learning-based approach to compressing these records using autoencoders, enabling…

Networking and Internet Architecture · Computer Science 2025-02-03 Adrian Pekar

Hardware acceleration in modern networks creates monitoring blind spots by offloading flows to a non-observable state, hindering real-time service degradation (SD) detection. To address this, we propose and formalize a novel inter-flow…

Networking and Internet Architecture · Computer Science 2025-09-16 Balint Bicski , Adrian Pekar

Over the past decade, machine learning model complexity has grown at an extraordinary rate, as has the scale of the systems training such large models. However there is an alarmingly low hardware utilization (5-20%) in large scale AI…

Hardware Architecture · Computer Science 2022-11-14 Newsha Ardalani , Saptadeep Pal , Puneet Gupta

Modern networks carry increasingly diverse and encrypted traffic types that demand classification techniques beyond traditional port-based and payload-based methods. This tutorial provides a practical, end-to-end guide to building…

Networking and Internet Architecture · Computer Science 2026-01-08 Adrian Pekar , Richard Plny , Karel Hynek

Current probabilistic flow-size monitoring can only detect heavy hitters (e.g., flows utilizing 10 times their permitted bandwidth), but cannot detect smaller overuse (e.g., flows utilizing 50-100% more than their permitted bandwidth).…

Networking and Internet Architecture · Computer Science 2021-02-03 Simon Scherrer , Che-Yu Wu , Yu-Hsi Chiang , Benjamin Rothenberger , Daniele E. Asoni , Arish Sateesan , Jo Vliegen , Nele Mentens , Hsu-Chun Hsiao , Adrian Perrig

The enormous amount of code required to design modern hardware implementations often leads to critical vulnerabilities being overlooked. Especially vulnerabilities that compromise the confidentiality of sensitive data, such as cryptographic…

Cryptography and Security · Computer Science 2021-12-23 Lennart M. Reimann , Luca Hanel , Dominik Sisejkovic , Farhad Merchant , Rainer Leupers

Partially Supervised Multi-Task Learning (PS-MTL) aims to leverage knowledge across tasks when annotations are incomplete. Existing approaches, however, have largely focused on the simpler setting of homogeneous, dense prediction tasks,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Fangzhou Lin , Yuping Wang , Yuliang Guo , Zixun Huang , Xinyu Huang , Haichong Zhang , Kazunori Yamada , Zhengzhong Tu , Liu Ren , Ziming Zhang

Current solutions mostly focus on how to predict traffic, rather than observing traffic characteristics in a specific NFV scenario. So, most of them use a uniform threshold to scale in/out. In real NFV scenario, each VNF may serve the one…

Networking and Internet Architecture · Computer Science 2018-11-21 Hua Chai

Video continues to dominate network traffic, yet operators today have poor visibility into the number, duration, and resolutions of the video streams traversing their domain. Current approaches are inaccurate, expensive, or unscalable, as…

Networking and Internet Architecture · Computer Science 2023-01-18 Hassan Habibi Gharakheili , Minzhao Lyu , Yu Wang , Himal Kumar , Vijay Sivaraman

Self-supervised feed-forward methods for scene flow estimation offer real-time efficiency, but their supervision from two-frame point correspondences is unreliable and often breaks down under occlusions. Multi-frame supervision has the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Qingwen Zhang , Chenhan Jiang , Xiaomeng Zhu , Yunqi Miao , Yushan Zhang , Olov Andersson , Patric Jensfelt

Optical flow is an indispensable building block for various important computer vision tasks, including motion estimation, object tracking, and disparity measurement. In this work, we propose TransFlow, a pure transformer architecture for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Yawen Lu , Qifan Wang , Siqi Ma , Tong Geng , Yingjie Victor Chen , Huaijin Chen , Dongfang Liu

Many real-world applications of flow-based generative models desire a diverse set of samples that cover multiple modes of the target distribution. However, the predominant approach for obtaining diverse sets is not sample-efficient, as it…

Machine Learning · Computer Science 2025-04-11 Mashrur M. Morshed , Vishnu Boddeti

The main challenges in large-scale people tracking are the recognition of people density in a specific area and tracking the people flow path. To address these challenges, we present SenseFlow, a lightweight people tracking system.…

Human-Computer Interaction · Computer Science 2016-06-20 Kai Li , Chau Yuen , Salil S. Kanhere , Kun Hu , Wei Zhang , Fan Jiang , Xiang Liu

Classifying network traffic is the basis for important network applications. Prior research in this area has faced challenges on the availability of representative datasets, and many of the results cannot be readily reproduced. Such a…

Cryptography and Security · Computer Science 2020-04-29 Onur Barut , Yan Luo , Tong Zhang , Weigang Li , Peilong Li

Traffic sampling has become an indispensable tool in network management. While there exists a plethora of sampling systems, they generally assume flow rates are stable and predictable over a sampling period. Consequently, when deployed in…

Networking and Internet Architecture · Computer Science 2024-09-11 Soroosh Esmaeilian , Mahdi Dolati , Sogand Sadrhaghighi , Majid Ghaderi

NetFlow data is a popular network log format used by many network analysts and researchers. The advantages of using NetFlow over deep packet inspection are that it is easier to collect and process, and it is less privacy intrusive. Many…

Machine Learning · Computer Science 2025-01-09 Clinton Cao , Annibale Panichella , Sicco Verwer , Agathe Blaise , Filippo Rebecchi

Intra-device parallelism addresses resource under-utilization in ML inference and training by overlapping the execution of operators with different resource usage. However, its wide adoption is hindered by a fundamental conflict with the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-22 Yi Pan , Yile Gu , Jinbin Luo , Yibo Wu , Ziren Wang , Hongtao Zhang , Ziyi Xu , Shengkai Lin , Baris Kasikci , Stephanie Wang

Scene flow estimation is a crucial component in the development of autonomous driving and 3D robotics, providing valuable information for environment perception and navigation. Despite the advantages of learning-based scene flow estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Rahul Ahuja , Chris Baker , Wilko Schwarting

Benchmark datasets for network intrusion detection commonly rely on synthetically generated traffic, which fails to reflect the statistical variability and temporal drift encountered in operational environments. This paper introduces…

Machine Learning · Computer Science 2025-06-23 Joshua Schraven , Alexander Windmann , Oliver Niggemann

Traditional executable delivery models pose challenges for IoT devices with limited storage, necessitating the download of complete executables and dependencies. Network solutions like NFS, designed for data files, encounter high IO…

Networking and Internet Architecture · Computer Science 2023-12-11 Jun Lu , Zhenya Ma , Yinggang Gao , Ju Ren , Yaoxue Zhang