NDLI: Stability of TCP/AQM Networks Based on A Switched Time-Delay System Modeling

Content Provider	Semantic Scholar
Author	Lu, Zongtao Liberatore, Vincenzo Sun, Yuanzhang
Copyright Year	2008
Abstract	Abstract We study the modeling and stability of TCP/AQM systems. The control-theoretic framework used in most of the previous work is linear system theory. Based on the linearization of nonlinear congestion control systems, classical linear techniques, such as the Nyquist or Bode criteria, are applied for the analysis of stability. The success of the linearization method depends on the assumption that the equilibrium is far away from the zero queue length point so that the linearization is well-defined. In this paper, the nonlinearity of the queue part is taken into consideration and TCP/AQM systems with proportional control are modeled as a class of switched time-delay systems. For such systems, we employ a Lyapunov approach and establish stability results. Simulations are presented to demonstrate the effectiveness of the stability analysis.
Starting Page	6172
Ending Page	6177
Page Count	6
File Format	PDF HTM / HTML
DOI	10.3182/20080706-5-KR-1001.01042
Volume Number	41
Alternate Webpage(s)	http://folk.ntnu.no/skoge/prost/proceedings/ifac2008/data/papers/1157.pdf
Alternate Webpage(s)	https://doi.org/10.3182/20080706-5-KR-1001.01042
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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