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Related papers: Fair Coflow Scheduling via Controlled Slowdown

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Datacenter networks routinely support the data transfers of distributed computing frameworks in the form of coflows, i.e., sets of concurrent flows related to a common task. The vast majority of the literature has focused on the problem of…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-04 Quang-Trung Luu , Olivier Brun , Rachid El-Azouzi , Francesco De Pellegrini , Balakrishna J. Prabhu , Cédric Richier

Coflow is a recently proposed network abstraction for data-parallel computing applications. This paper considers scheduling coflows with precedence constraints in identical parallel networks, such as to minimize the total weighted…

Data Structures and Algorithms · Computer Science 2022-07-15 Chi-Yeh Chen

In distributed computing frameworks like MapReduce, Spark, and Dyrad, a coflow is a set of flows transferring data between two stages of a job. The job cannot start its next stage unless all flows in the coflow finish. To improve the…

Networking and Internet Architecture · Computer Science 2018-12-18 Li Shi , Junwei Zhang , Yang Liu , Thomas Robertazzi

Coflow scheduling improves data-intensive application performance by improving their networking performance. State-of-the-art Coflow schedulers in essence approximate the classic online Shortest-Job-First (SJF) scheduling, designed for a…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-11-17 Akshay Jajoo , Rohan Gandhi , Y. Charlie Hu , Cheng-Kok Koh

To improve the application-level communication performance, scheduling of coflows, a collection of parallel flows sharing the same objective, is prevalent in modern data center networks (DCNs). Meanwhile, a hybrid-switched DCN design…

Networking and Internet Architecture · Computer Science 2023-06-19 Xin Wang , Hong Shen , Hui Tian

Coflow provides a key application-layer abstraction for capturing communication patterns, enabling the efficient coordination of parallel data flows to reduce job completion times in distributed systems. Modern data center networks (DCNs)…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-10 Xin Wang , Hong Shen , Hui Tian , Dong Wang

Many emerging distributed applications, including big data analytics, generate a number of flows that concurrently transport data across data center networks. To improve their performance, it is required to account for the behavior of a…

Networking and Internet Architecture · Computer Science 2020-07-07 Cristian Hernandez Benet , Andreas J. Kassler , Gianni Antichi , Theophilus A. Benson , Gergely Pongracz

This paper addresses the scheduling problem of coflows in identical parallel networks, which is a well-known $NP$-hard problem. Coflow is a relatively new network abstraction used to characterize communication patterns in data centers. We…

Data Structures and Algorithms · Computer Science 2023-12-21 Chi-Yeh Chen

Coflow is a recently proposed network abstraction to capture communication patterns in data centers. The coflow scheduling problem in large data centers is one of the most important $NP$-hard problems. Previous research on coflow scheduling…

Data Structures and Algorithms · Computer Science 2022-07-15 Chi-Yeh Chen

Coflow is a network abstraction used to represent communication patterns in data centers. The coflow scheduling problem in large data centers is one of the most important $NP$-hard problems. Many previous studies on coflow scheduling mainly…

Data Structures and Algorithms · Computer Science 2023-08-31 Chi-Yeh Chen

The strains associated with shift work decrease healthcare workers' well-being. However, shift schedules adapted to their individual needs can partially mitigate these problems. From a computing perspective, shift scheduling was so far…

Computers and Society · Computer Science 2020-02-07 Alarith Uhde , Nadine Schlicker , Dieter P. Wallach , Marc Hassenzahl

In large-scale AI systems, allocating scarce resources such as GPU compute time and bandwidth among multiple agents is a critical challenge. Conventional policies focus on efficiency metrics, potentially leading to dominance concentration…

Applied Physics · Physics 2026-05-25 Ji-Won Park , Chae Un Kim

Datacenter networks commonly facilitate the transmission of data in distributed computing frameworks through coflows, which are collections of parallel flows associated with a common task. Most of the existing research has concentrated on…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-24 Olivier Brun , Rachid El-Azouzi , Quang-Trung Luu , Francesco De Pellergrini , Balakrishna J. Prabhu , Cédric Richier

Many modern datacenter applications involve large-scale computations composed of multiple data flows that need to be completed over a shared set of distributed resources. Such a computation completes when all of its flows complete. A useful…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-12 Hamidreza Jahanjou , Erez Kantor , Rajmohan Rajaraman

Interconnection networks of parallel systems are used for servicing traf- fic generated by different applications, often belonging to different users. When multiple traffic flows contend for channel bandwidth, the scheduling algorithm…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-06-02 Zhuang Wang , Xiao Lv , Mingyu Yan , Wei Yang , Ge Li

Co-flows model a modern scheduling setting that is commonly found in a variety of applications in distributed and cloud computing. In co-flow scheduling, there are $m$ input ports and $m$ output ports. Each co-flow $j \in J$ can be…

Data Structures and Algorithms · Computer Science 2018-12-04 Sungjin Im , Manish Purohit

This paper focuses on the problem of coflow scheduling with precedence constraints in identical parallel networks, which is a well-known $\mathcal{NP}$-hard problem. Coflow is a relatively new network abstraction used to characterize…

Data Structures and Algorithms · Computer Science 2023-12-21 Chi-Yeh Chen

In this paper, we investigate fundamental performance limits of cumulative distribution function (CDF)-based scheduling (CS) in downlink cellular networks. CS is known as an efficient scheduling method that can assign different time…

Information Theory · Computer Science 2016-11-18 Hu Jin , Bang Chul Jung , Victor C. M. Leung

A coflow is a collection of parallel flows belonging to the same job. It has the all-or-nothing property: a coflow is not complete until the completion of all its constituent flows. In this paper, we focus on optimizing \emph{coflow-level…

Networking and Internet Architecture · Computer Science 2017-01-11 Qingkai Liang , Eytan Modiano

Imposing fairness in resource allocation incurs a loss of system throughput, known as the Price of Fairness ($PoF$). In wireless scheduling, $PoF$ increases when serving users with very poor channel quality because the scheduler wastes…

Networking and Internet Architecture · Computer Science 2018-01-08 Apostolos Destounis , Georgios S. Paschos , David Gesbert
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