Switching White Papers
An Experimental Study of Router Buffer Sizing for Mixed TCP and Real-Time Traffic
Overview Recent research results on Internet router buffer sizing suggest that when TCP traffic is well-paced, Internet routers need as few as 20-30 packet buffers to realise near maximum link throughputs, independent of link capacities and number of TCP flows. However, these studies have ignored non-TCP traffic, on the grounds that TCP traffic predominates in the Internet. This paper evaluates this assumption via practical experiments on a long-haul Australian network. Specifically, for different volumes of long range dependent realtime streaming video traffic in the network, it quantifies end-to-end TCP throughput and real-time traffic loss as router buffer sizes at bottleneck and non-bottleneck links vary.
| Publisher | University of New South Wales | File Format | |
|---|---|---|---|
| Date Published | July 2006 | ||
| Format | White Papers | ||
| Topics | |||
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