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FAST-TCP achieves better performance than traditional TCP-Reno schemes, but unfortunately it is inherently unfair to older connections due to wrong estimations of the round-trip propagation delay. This paper presents a model for this…

网络与互联网体系结构 · 计算机科学 2015-09-02 Miguel Rodríguez-Pérez , Sergio Herrería-Alonso , Manuel Fernández-Veiga , Cándido López-García

Information flow analysis has largely ignored the setting where the analyst has neither control over nor a complete model of the analyzed system. We formalize such limited information flow analyses and study an instance of it: detecting the…

密码学与安全 · 计算机科学 2014-05-13 Michael Carl Tschantz , Amit Datta , Anupam Datta , Jeannette M. Wing

The increasing adoption of econometric and machine-learning approaches by empirical researchers has led to a widespread use of one data collection method: web scraping. Web scraping refers to the use of automated computer programs to access…

综合经济学 · 经济学 2023-08-07 Jens Foerderer

This article overviews how gradient flows, and discretizations thereof, are useful to design and analyze optimization and sampling algorithms. The interplay between optimization, sampling, and gradient flows is an active research area; our…

统计计算 · 统计学 2023-02-23 N. Garcia Trillos , B. Hosseini , D. Sanz-Alonso

Recent control trends are increasingly relying on communication networks and wireless channels to close the loop for Internet-of-Things applications. Traditionally these approaches are model-based, i.e., assuming a network or channel model…

系统与控制 · 电气工程与系统科学 2019-11-11 Konstantinos Gatsis , George J. Pappas

Computer network tends to be subjected to the proliferation of mobile demands and increasingly multifarious, therefore it poses a great challenge to guarantee the quality of network service. By designing the model according to different…

网络与互联网体系结构 · 计算机科学 2021-01-22 Yue Hong Gao , Xiao Hong , Hao Tian Yang , Lu Chen , Xiao Nan Zhang

The discrepancy between the upper bound on throughput in wireless networks and the throughput scaling in random networks which is also known as the connectivity-throughput trade-off is analyzed. In a random network with $\lambda$ nodes per…

信息论 · 计算机科学 2010-08-23 Ralph Tanbourgi , Holger Jäkel , Friedrich K. Jondral

Among the most prevalent motion planning techniques, sampling and trajectory optimization have emerged successful due to their ability to handle tight constraints and high-dimensional systems, respectively. However, limitations in sampling…

机器人学 · 计算机科学 2021-07-30 Kalyan Vasudev Alwala , Mustafa Mukadam

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).…

Various problems of any credit card fraud detection based on machine learning come from the imbalanced aspect of transaction datasets. Indeed, the number of frauds compared to the number of regular transactions is tiny and has been shown to…

机器学习 · 计算机科学 2022-06-28 François de la Bourdonnaye , Fabrice Daniel

Collecting flow records is a common practice of network operators and researchers for monitoring, diagnosing and understanding a network. Traditional tools like NetFlow face great challenges when both the speed and the complexity of the…

网络与互联网体系结构 · 计算机科学 2018-12-06 Zongyi Zhao , Xingang Shi , Xia Yin , Zhiliang Wang

In this paper, we study a sampling problem where a source takes samples from a Wiener process and transmits them through a wireless channel to a remote estimator. Due to channel fading, interference, and potential collisions, the packet…

信息论 · 计算机科学 2023-10-19 Jiayu Pan , Yin Sun , Ness B. Shroff

Multipath routing is the use of multiple potential paths through a network in order to enhance fault tolerance, optimize bandwidth use, and improve security. Selecting data flow paths based on cost addresses performance issues but ignores…

密码学与安全 · 计算机科学 2013-11-18 James Obert , Huiping Cao

Network security analysts gather data from diverse sources, from high-level summaries of network flow and traffic volumes to low-level details such as service logs from servers and the contents of individual packets. They validate and check…

网络与互联网体系结构 · 计算机科学 2024-03-05 Michael Collins , Jyotirmoy V. Deshmukh , Dristi Dinesh , Mukund Raghothaman , Srivatsan Ravi , Yuan Xia

Sampling is a critical operation in Graph Neural Network (GNN) training that helps reduce the cost. Previous literature has explored improving sampling algorithms via mathematical and statistical methods. However, there is a gap between…

机器学习 · 计算机科学 2022-06-27 Xin Liu , Mingyu Yan , Shuhan Song , Zhengyang Lv , Wenming Li , Guangyu Sun , Xiaochun Ye , Dongrui Fan

Collecting and analyzing of network traffic data (network telemetry) plays a critical role in managing modern networks. Network administrators analyze their traffic to troubleshoot performance and reliability problems, and to detect and…

网络与互联网体系结构 · 计算机科学 2025-02-06 Shir Landau Feibish , Zaoxing Liu , Jennifer Rexford

Through legislation and technical advances users gain more control over how their data is processed, and they expect online services to respect their privacy choices and preferences. However, data may be processed for many different…

数据库 · 计算机科学 2024-03-19 Dorota Filipczuk , Enrico H. Gerding , George Konstantinidis

Applications' performance is influenced by the mapping of processes to computing nodes, the frequency and volume of exchanges among processing elements, the network capacity, and the routing protocol. A poor mapping of application processes…

分布式、并行与集群计算 · 计算机科学 2021-03-11 Jonas H. Müller Korndörfer , Mario Bielert , Laércio L. Pilla , Florina M. Ciorba

Static analysis (aka offline analysis) of a model of an IP network is useful for understanding, debugging, and verifying packet flow properties of the network. There have been static analysis approaches proposed in the literature for…

网络与互联网体系结构 · 计算机科学 2011-11-30 Raghavan Komondoor , K. Vasanta Lakshmi , Deva P. Seetharam , Sudha Balodia

Triangle counting and sampling are two fundamental problems for streaming algorithms. Arguably, designing sampling algorithms is more challenging than their counting variants. It may be noted that triangle counting has received far greater…

数据结构与算法 · 计算机科学 2024-05-17 Arijit Bishnu , Arijit Ghosh , Gopinath Mishra , Sayantan Sen