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Conference Paper
A predictive and robust active queue management for Internet congestion control
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- Authors
- Seungwan Ryu, Christopher Rump, Chunming Qiao
- Issue Date
- 2003-07
- Citation
- International Symposium on Computers and Communications (ISCC) 2003, pp.1-8
- Language
- English
- Type
- Conference Paper
- Abstract
- Recently many active queue management (AQM) algorithms have been proposed to address performance degradations of end-to-end congestion control. However, these AQM algorithms show weaknesses to detect and control congestion under dynamically changing network situations. In this paper, we propose a predictive and robust AQM algorithm, called proportional-integral-derivative (PID)-controller, using PID feedback control the incipient as well as current congestion adaptively and proactively to dynamically changing network environments. A simulation study over a wide range of IP traffic conditions shows that PID-controller outperforms other AQM algorithms such as random early detection (RED) and proportional-integral (PI) controller in terms of the queue length dynamics, the packet loss rates, and the link utilization. © 2003 IEEE.
- KSP Keywords
- AQM algorithm, End to End(E2E), End-to-End congestion control, IP traffic, Internet congestion control, PID feedback control, PID-controller, Proportional-integral (PI) controller, Random early detection(RED), Simulation study, Wide range