[AusNOG] Why not Symmetric ingress and egress?

Dmitri Kalintsev dek735 at gmail.com
Sat Jun 19 19:41:22 EST 2010


Craig,

If I'm not mistaken, Windows isn't any different - tcp window is handled on
the OS level, by the TCP stack. Application can't do anything about it.

On Fri, Jun 18, 2010 at 4:56 PM, <craig at askings.com.au> wrote:

> > On Fri, Jun 18, 2010 at 4:24 PM,  <craig at askings.com.au> wrote:
> > Say again?  Don't you set these things in the TCP stack - i.e., the
> > kernel - rather than the application?
> >
> > e.g., echo 1 > /proc/net/ipv4/tcp_window_scaling # linux
>
> It was a Windows desktop app. I could prove using scapy that their servers
> honored window scaling when it was requested, but for some reason their
> app never did.
>

-- D
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