PI-PD-controller for robust and adaptive queue management for supporting TCP congestion control
- Authors
- Ryu, Seungwan; Cho, Chulhyoe
- Issue Date
- Apr-2004
- Citation
- Proceedings of the IEEE Annual Simulation Symposium, pp 132 - 139
- Pages
- 8
- Journal Title
- Proceedings of the IEEE Annual Simulation Symposium
- Start Page
- 132
- End Page
- 139
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/66332
- DOI
- 10.1109/SIMSYM.2004.1299476
- ISSN
- 0272-4715
- Abstract
- In this paper, we propose the proportional-integral (PI)-proportional- derivative (PD) controller mechanism, which can provide robust and predictive congestion avoidance and control using an adaptive congestion indicator and a control function. PI-PD controller is designed by approximating the PID feedback control to take advantages of excellent capabilities of a PID feedback control mechanism in predicting and controlling future error as well as eliminating the steady-state error. With PI-PD controller, fast response and proactive control to the changing traffic load can be achieved by PD control and satisfactory steady-state control performance can be achi3ved by PI control. The PI-PD controller stabilizes the queue length around a desired level while giving smooth and low packet loss rates independent of the traffic load level under a wide range of traffic environments. The PAQM outperforms other AQM algorithms such as Random Early Detection (RED) and PI-controller.
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Collections - College of Business & Economics > School of Business Administration > 1. Journal Articles
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