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2006
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A Loss and Queuing-Delay Controller for Router Buffer Management

9 years 8 months ago
A Loss and Queuing-Delay Controller for Router Buffer Management
— Active queue management (AQM) in routers has been proposed as a solution to some of the scalability issues associated with TCP’s pure end-to-end approach to congestion control. However, beyond congestion control, controlling queues in routers is important because unstable router queues can cause poor application performance. Existing AQM schemes explicitly try to control router queues by probabilistically dropping (or marking) packets. We argue that while controlling router queues is important, this control needs to be tempered by a consideration of the overall lossrate at the router. Solely attempting to control queue length can induce loss-rates that have as negative an effect on application and network performance as the large queues that existing AQM schemes were trying to avoid. Thus controlling queue length without regard to loss-rate can be counterproductive. In this work we demonstrate that by jointly controlling queue length and loss-rate, both network and application pe...
Long Le, Kevin Jeffay, F. Donelson Smith
Added 11 Jun 2010
Updated 11 Jun 2010
Type Conference
Year 2006
Where ICDCS
Authors Long Le, Kevin Jeffay, F. Donelson Smith
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