Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Fluid-based analysis of a network of AQM routers supporting TCP flows with an application to RED
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
Design of a robust active queue management algorithm based on feedback compensation
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
Design of a fuzzy controller for active queue management
Computer Communications
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Most Active Queue Management (AQM) algorithms based on control theory have difficulty in obtaining desirable performance once the network conditions or the traffic patterns change out of the presumed ones they are designed for. To address these problems, a new self-tuning AQM algorithm called STR is proposed in this paper. STR has the ability of keeping minimum variance between the instantaneous queue length of the router and the reference value by estimating the parameters of the model of controlled object online and adjusting the packet drop probability accordingly. The performance of STR is evaluated through extensive simulations. The results show that STR is robust against the great changes of the network parameters and the traffic load.