[PATCH] Add a new TCP_IGNOREIDLE socket option
John Baldwin
jhb at freebsd.org
Tue Jan 29 18:50:43 UTC 2013
On Thursday, January 24, 2013 11:14:40 am John Baldwin wrote:
> > > Agree, per-socket option could be useful than global sysctls under
> > > certain situation. However, in addition to the per-socket option,
> > > could global sysctl nodes to disable idle_restart/idle_cwv help too?
> >
> > No. This is far too dangerous once it makes it into some tuning guide.
> > The threat of congestion breakdown is real. The Internet, or any packet
> > network, can only survive in the long term if almost all follow the rules
> > and self-constrain to remain fair to the others. What would happen if
> > nobody would respect the traffic lights anymore?
>
> The problem with this argument is Linux has already had this as a tunable
> option for years and the Internet hasn't melted as a result.
>
> > Since this seems to be a burning issue I'll come up with a patch in the
> > next days to add a decaying restartCWND that'll be fair and allow a very
> > quick ramp up if no loss occurs.
>
> I think this could be useful. OTOH, I still think the TCP_IGNOREIDLE option
> is useful both with and without a decaying restartCWND?
*ping*
Andre, do you object to adding the new socket option?
--
John Baldwin
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