Stability of RED with two-way TCP traffic

Ziegler, Thomas; Fdida, Serge; Brandauer, Christof; Hechenleitner, Bernhard

doi:10.1109/icccn.2000.885493

Cited by 22 publications

(27 citation statements)

References 7 publications

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“…Thus we refer to -1/ln(1 -w q ) as the time constant of the estimator for the average queue size. Following the approaches in Jacobson et al (1999) and Ziegler et al (2001), in automatic mode we set w q as a function of the link bandwidth. For MECN in automatic mode, we set w q to give a time constant for the average queue size estimator of one second.…”

Section: Setting Mid Th Max Thmentioning

confidence: 99%

Adaptive multi-level explicit congestion notification

Durresi

Sridharan

Jain

2007

IJHPCN

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We propose Adaptive Multi-level ECN (AMECN), a new TCP congestion scheme, as an extension to Multi-level Explicit Congestion Notification (MECN). AMECN allows network operators to achieve high throughput and low delays. However, AMECN performance depends its parameter settings and the level of congestion, hence, no guarantees can be given about delay. To achieve a predictable average delay with AMECN, constant tuning of the parameters to adjust to current traffic conditions is needed. We show how to tune AMECN parameters. The analysis of our simulations shows that Adaptive MECN performs better than Adaptive RED.

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Section: Setting Mid Th Max Thmentioning

confidence: 99%

Adaptive multi-level explicit congestion notification

Durresi

Sridharan

Jain

2007

IJHPCN

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“…Further, there is a need for constant fine-tuning of parameters to adapt to current network conditions. To that end and based on simplified models, guidelines have been proposed in [3], [4], [5], [6], [7], [8] for setting RED parameters in presence of TCP flows. However, most studies on RED are based on heuristics or simulations rather than a systematic approach.…”

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confidence: 99%

A Statistical Study of Loss-Delay Tradeoff for RED Queues

Yousefi'zadeh

Habibi

et al. 2012

IEEE Trans. Commun.

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Abstract-Aside from the introduction of many new schemes, the use of TCP-based AQM schemes and in specific RED is anticipated to continue in foreseeable future as the de-facto standard of network congestion control. Therefore, conducting extra research work aiming at improving the performance of RED is still a topic of high interest. In this paper, we present an analytical study aiming at the fine tuning of the RED parameters. Utilizing a statistical analysis approach, we formulate an optimization problem aimed at addressing the loss and delay tradeoff of the RED queuing discipline. We provide a two-phase iterative solution to the problem in order to identify the settings of the RED parameters. We discuss the convergence characteristics of our solution and investigate its low complexity characteristics. Through extensive NS2 experiments, we illustrate the advantages of our proposed optimization approach by comparing its results to those of adaptive RED as well as standard RED with recommended parameter settings.Index Terms-RED, Markov chain queue modeling, optimal parameter fine tuning.

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“…The upper bound of Max p for PSAND is set to 0.75 and for ARED F loyd it is set to 0.5. For all simulations, we follow the approach of [6], [7], [18] to set the average queue size weight (ω q ) as a function of the link bandwidth, according to the formula ω q = 1 − exp(−1/C), where C is the link capacity in packets/second. Refer to Table I for the other parameters settings.…”

Section: A Simulation Settings and Metricsmentioning

confidence: 99%

“…This is the topic of the present paper. Works investigating this issue are numerous : [3]- [7] showed that RED performances are sensitive to the level of congestion and to the settings of its parameters. This lead Feng et al in [8] to the conclusion that there is no single set of RED parameters that works under different traffic scenarios and to the claim that the correct tuning of RED implies a "global" parameterization.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic configuration of RED parameters

Alemu

Jean-Marie

IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.

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Abstract-Our work focuses on an adaptive approach of RED namely ARED (Adaptive RED) that performs a constant tuning of RED parameters according to the traffic load. ARED requires no hypothesis on the type of traffic, which diminishes its dependency on the scenario parameters such as the bandwidth, the round-trip time and the number of active connections. Our goal is to find a simple extension to ARED in order to improve the predictability of performance measures like queueing delay and delay jitter without sacrificing the loss rate. To achieve this goal, we propose a new algorithm that sets the RED parameters and evaluate it by extensive simulations. Our results show that compared to the original ARED, our algorithm can stabilize the queue size, keep it away from buffer overflow and underflow, and achieves a more predictable average queue size without substantially increasing the loss rate.

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Stability of RED with two-way TCP traffic

Cited by 22 publications

References 7 publications

Adaptive multi-level explicit congestion notification

Adaptive multi-level explicit congestion notification

A Statistical Study of Loss-Delay Tradeoff for RED Queues

Dynamic configuration of RED parameters

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