[Bloat] Traffic patterns for AQM testing.... Bursty behaviour of video players.

[Justin McCann]

On Thu, Jan 26, 2012 at 3:04 PM, Jim Gettys <jg at freedesktop.org> wrote:
>...
> The interesting question is what do current operating systems/standards
> do to the TCP window when idle?  Anyone know?  I'm making a (possibly
> poor) presumption that they are using single TCP connections; I should
> probably take some traces....

You're looking for "congestion window validation" or "congestion
window decay" from RFC2861.

I believe the function you're looking for in Linux is tcp_cwnd_validate()
  http://lxr.linux.no/linux+v3.2.2/net/ipv4/tcp_output.c#L1287

    Justin