Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Self-similarity in World Wide Web traffic: evidence and possible causes
Proceedings of the 1996 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Efficient policies for carrying Web traffic over flow-switched networks
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
A control theoretic approach to active queue management
Computer Networks: The International Journal of Computer and Telecommunications Networking
Feedback Control of Dynamic Systems
Feedback Control of Dynamic Systems
Characteristics of WWW Client-based Traces
Characteristics of WWW Client-based Traces
A comparison of active queue management algorithms using the OPNET Modeler
IEEE Communications Magazine
An optimization-oriented view of random early detection
Computer Communications
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In this paper we determine the stability bounds for the DRED active queue management (AQM) algorithm using a previously developed nonlinear dynamic model of TCP. We develop a second-order linear model with time delay by linearizing the nonlinear model. Using the Pade approximation of time-delayed system e-R0s, where R0 is the delay in the system, we then determine the range of stabilizing gains of DRED when controlling the second-order system with time delay R0. We also present examples showing the stability bounds of the DRED controller gain for networks with different parameters such as link capacity, load level, and round-trip time. In addition, we describe an efficient implementation of the DRED AQM algorithm.