[pfSense Support] Strange TCP connection behavior 2.0 RC2 (+3)
dot at dotat.at
Wed Jun 29 11:18:08 UTC 2011
Mikael Abrahamsson <swmike at swm.pp.se> wrote:
> Well, then you run into the nice problem of the RNCs only having 400 kilobytes
> of buffers per session and will drop packets if they receive more packets than
> that, or sometimes even just because they receive a burst of a few tens of
> packets at GigE linerate (because the customer with large TCP window size is
> talking to a GigE connected server).
Excessively large buffers are a problem because they break TCP's RTT
measurement. Also TCP cannot measure the available bandwidth without
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
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