[AusNOG] [OT] Why not Symmetric ingress and egress?

Tim Warnock timoid at timoid.org
Sat Jun 19 21:20:05 EST 2010


> Chris,
> 
> Thanks for that. The idea that an application could potentially work
> around system-wide settings is intriguing

timoid at globe:~$ iperf -s -w 1024000
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 1.95 MByte (WARNING: requested 1000 KByte)
------------------------------------------------------------

C:\Users\Tim Warnock\Downloads>iperf -s -w 1024000
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 1000 KByte
------------------------------------------------------------

Dunno if it's done via setsockopt() or not but clearly an app can modify the
TCP window size (somehow).






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