[okl4-developer] Networking performance

[Geoffrey Lee]

On Wed, Jun 04, 2008 at 06:25:44PM +0530, G S Madhusudan wrote:
> Couple of questions
> 
> 1. I presume this was a 100 Mbit adaptor - what were the actual
> throughput numbers achieved ?
> 
> 2. Shouldn't L4 performance be better than native Linux performance ?

Hello

I won't be able to continue this for a while because I am going to be
out of the office and might not have Internet access.

If someone doesn't get back to you within that time, I'm happy to
continue next week.

	-gl

> 
> Geoffrey Lee wrote:
> > On Tue, Jun 03, 2008 at 07:04:42PM +0530, G S Madhusudan wrote:
> >   
> >> Has anyone done performance studies on networking data plane traffic ?
> >> I plan to to develop virtualized network appliance type applications 
> >> using L4 and was wondering  what data speeds could be expected for say 
> >> std 1k sized raw IP packets without
> >> any processing (networking card to minimal device driver to user buffer 
> >> via a tuned IP
> >> stack ).
> >>     
> >
> >
> > We have previously achieved throughput with single digit performance 
> > overhead compared with native Linux using a USB-based network adapter,
> > with DMA enabled.
> >
> > 	-gl
> >   
> >>
> >> Thanks
> >>
> >> -- 
> >> G S Madhusudan
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