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App. Res. of Comp. Accepted Paper
Vol. 42, 2025 No. 7

Dynamic switching mechanism for congestion control algorithms based on QUIC

Li Zhuojian1,2
Qin Yifang1
Wang Dongju1,2
Du Wenji1,2
Zhou Xu1
Fan Congshan1
1. Computer Network Information Center, Chinese Academy of Sciences, Beijing 100080, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
DOI: 10.19734/j.issn.1001-3695.2024.12.0499

Abstract

The traditional approach of statically configuring a single congestion control algorithm can no longer adapt to the dynamic changes in networks across time and regions, the dynamic switching mechanism for congestion control algorithms has drawn widespread attention from the industry. To address issues such as low network detection accuracy and transmission performance fluctuations during dynamic switching, this paper studies the dynamic switching mechanism for congestion control algorithms based on QUIC in the wired network scenario. This mechanism first introduces the receiver buffer factor to enhance the algorithm's adaptability to different configurations of the receiving end; Secondly, it establishes a bottleneck link buffer detection model based on BBR to improve the detection accuracy of network conditions; Finally, it realizes the smooth switching between BBR and CUBIC to achieve a balance between performance improvement and stability during the switching process. Experimental results demonstrate that this mechanism achieves a throughput gain coverage rate of 78%~87% in shallow bottleneck link buffer scenarios and 89%~95% in deep bottleneck link buffer scenarios. Compared with traditional modeling-based algorithms, this mechanism significantly improves the bandwidth utilization in wired network scenarios and shows good stability in both throughput and round-trip delay dimensions.

Foundation Support

国家重点研发计划资助项目(2023YFB2904100)
中国科学院青年创新促进会基金资助项目(2023179)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2024.12.0499
Publish at: Application Research of Computers Accepted Paper, Vol. 42, 2025 No. 7

Publish History

[2025-03-14] Accepted Paper

Cite This Article

李焯坚, 覃毅芳, 王冬举, 等. 基于QUIC的拥塞控制算法动态切换机制 [J]. 计算机应用研究, 2025, 42 (7). (2025-03-14). https://doi.org/10.19734/j.issn.1001-3695.2024.12.0499. (Li Zhuojian, Qin Yifang, Wang Dongju, et al. Dynamic switching mechanism for congestion control algorithms based on QUIC [J]. Application Research of Computers, 2025, 42 (7). (2025-03-14). https://doi.org/10.19734/j.issn.1001-3695.2024.12.0499. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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