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Nonlinear Control of Active Queue Management for Multiple Bottleneck Network

Yang XIAO, Moon Ho LEE

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Summary :

Active Queue Management (AQM) based on nonlinear difference equations is proposed to solve the end-to-end TCP network congestion problem. The proposed AQM scheme can guarantee the stability of the multiple bottleneck network by nonlinear control of dropping probability of the routers by imposing some restrictions on the AQM parameter. Nonlinear control often relies on some heuristics and network traffic controllers that appear to be highly correlated with the multiple bottleneck network status. Based on the proposed nonlinear difference equations for TCP flows control across the network, this paper reveals the reasons of congestion of multiple bottleneck AQM, and provides a theorem for avoiding network congestion. Moreover, we give simulations to verify the results for nonlinear control of the multiple bottleneck network congestion.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.11 pp.3108-3113
Publication Date
2006/11/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.11.3108
Type of Manuscript
LETTER
Category
Fundamental Theories for Communications

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