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Re: Increase tcp initial window
On Fri, Mar 29, 2013 at 08:42:12PM -0400, Greg Troxel wrote:
> From: draft-ietf-tcpm-initcwnd-08.txt
> This document proposes to raise the upper bound on TCP's initial
> window (IW) to 10 segments (maximum 14600B). It is patterned after
> and borrows heavily from RFC 3390 [RFC3390] and earlier work in this
> area. Due to lingering concerns about possible side effects to other
> flows sharing the same network bottleneck, some of the
> recommendations are conditional on additional monitoring and
> My memory is that this draft was quite controversial and has not
> achieved Proposed Standard status.
> In general, the notion of allowing user tunability  of congestion
> control to do things which are not generally regarded as safe is a bit
> But I could be off about the IETF status of IW10.
It seems to be getting a lot of revisions. Other BSDs have also
>  Yes, I get it that users can rebuild their kernels to do arbitrary
> things. Partly this is about not helping people without adequate
> technical skill to violate internet norms, and partly it's about setting
Maybe we should try to do the some empirical measurements to see if it has
too many side effects.
What about putting this as a sysctl and document it properly as christos and
matt suggested ?
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