TCP congestion control and large router buffers

Mikael Abrahamsson swmike at
Tue Dec 14 07:00:20 CST 2010

On Tue, 14 Dec 2010, Sam Stickland wrote:

> But there's no need for AQM, just smaller buffers would make a huge
> difference.

Well, yes, buffering packets more than let's say 30-50ms on a 1 meg link 
doesn't make much sense. But doing some basic AQM would make things even 
better (some packets would see 0 buffering instead of 30ms).

> Surely buffers that can store seconds worth of data are simply too big?

FIFO with seconds worth of data is just silly, yes.

Mikael Abrahamsson    email: swmike at

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