(I assume do it involves sending a message to the card like
send(pointertoheader,size,pointertodata,size) and having it to all the
work like checksumming and gathering up the fragments out of memory)
On Fri, 7 Aug 1998, Alan Cox wrote:
> > What if we created a read call that was identical in every way, except
> > you passed it a SHM handle. It would directly write the data to the
> > SHM segment rather than doing a NIC -> kernel -> user operation?
> >
> > This would make a one copy high performance, low-latency TCP read for
> > the Cluster nuts.
>
> No it wouldnt. Zero copy TCP is hard and on current PC type cards basically
> impossible for most cases
>
>
>
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