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From: Alex Lyashkov (shadow_at_psoft.net)
Date: Sat 28 Feb 2004 - 08:21:28 GMT


, 28.02.2004, 08:06, Thomas Gelf :
> Am Fre, den 27.02.2004 schrieb Herbert Poetzl um 23:58:
> > well, the thing is, in that case you would need two
> > tuntap devices to get the same as the UML implementation
> > uses, one converting the packets to a data stream, and
> > the other converting it back from data stream to packets
> > (which doesn't make much sense)
>
> ?????
Some question for you:
what are maximal packet rate in you uml/tap devices ?
what are maximal bandwidth ? what are system/user CPU usage at this time
?
Using tun/tap devices need minimal a 2-4 context switches between kernel
and user space. It`s very expensive operation in kernel and need many
system time.

-- 
Alex Lyashkov <shadow_at_psoft.net>
PSoft
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