> On Tue, Jun 22, 1999 at 11:04:38PM +0200, Henning P. Schmiedehausen wrote:
> > it working and it captures every package on a saturated 100 (1000)
> > MBit interface.
> >
> > mjr clearly stated what they need: zero-copy input BPF. It seems that
> > some OS (namely *BSD) delivers this.
>
> Is it known that zero copy is the only way to deliver this? Last time
> I looked at it, memory was much faster than networks.
Highspeed networks are often significantly faster than memory subsystems.
Recently I've seen a GSN network card which interfaces with two memory
subsystems on an Origin 2000 just because a single one doesn't deliver
the bandwidth ... Copying? No way, in that league you can do everything
with your data just not look touch it. A GSN successor is being
discussed ...
Ralf
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