Computer Science – Networking and Internet Architecture
Scientific paper
2000-01-07
Computer Science
Networking and Internet Architecture
Effect of different packet size on RED performance number of pages: 9 Submitted to IEEE Communication Letters
Scientific paper
We consider the adaptation of random early detection (RED) as an active queue management algorithm for TCP traffic in Internet gateways where different maximum transfer units (MTUs) are used. We studied the two existing RED variants and point out a weakness in both. The first variant where the drop probability is independent from the packet size discriminates connections with smaller MTUs. The second variant results in a very high Packet Loss Ratio (PLR), and as a consequence low goodput, for connections with higher MTUs. We show that fairness in terms of loss and goodput can be supplied through an appropriate setting of the RED algorithm.
Cnodder Stefaan de
Elloumi Omar
Pauwels Kenny
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