White Papers

Efficiently and Fairly Allocating Bandwidth at a Highly Congested Link

Overview This paper considers the problem efficiently and fairly allocating bandwidth at a highly congested link to a diverse set of flows, including TCP flows with various Round Trip Times (RTT), non-TCP-friendly flows such as Constant-Bit-Rate (CBR) applications using UDP, misbehaving, or malicious flows. Though simple, a FIFO queue management is vulnerable. Fair Queuing (FQ) can guarantee max-min fairness but fails at efficiency. RED-PD attempts to achieve fairness at low cost. By relying on RED's actions, RED-PD turns out not to be effective in dealing with non-adaptive flows in settings with a highly heterogeneous mix of flows. This paper proposes a new approach called RED-NB (RED with No Bias).

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Publisher: Boston University
File Format: PDF
Date Published: Sep 10, 2008
Format: White Papers
Topics: TCP - IP, Bandwidth Issues

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