Like gig ethernet, zero-copy to user space will change this picture
again. Then you want to keep packets on the card until user space is
ready to accept them.
-- Jamie
On Thu, Nov 12, 1998 at 04:03:01PM +0100, hpj wrote:
> As I don't made any analysis of RAM buffer usage (maybe Don Becker has),
> I cannot give you an useful advice. I would state it like this:
> As faster as your (operation-)system is, as lesser bufferspace is used.
> In life, things are much more complicate (latency time, bus speed, bus
> transfer mode, peek load, peek network load, and many factors more)
> I thing, todays actual systems are fast enough to work fine with such a
> small one. This is quite different to LANCE NIC times with unix on a
> 16MHz 68000 cpu. There a 64 KB buffer saved some sysadms life...
> Gigabit ethernet with big (>4K) packets changes this picture again!
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