Software router state of the art

Jeffrey Ollie jeff at
Wed Jul 23 19:50:41 UTC 2008

On Wed, Jul 23, 2008 at 11:17 AM, Adrian Chadd <adrian at> wrote:
> Various FreeBSD related guys are working on parallelising the forwarding
> layer enough to use the multiple tx/rx queues in some chipsets such as the
> Intel gig/10ge stuff.
> Linux apparently is/has headed down this path.

I've seen some notes from Dave Miller about adding multiple TX queues
to the 2.6.27 kernel.  See Dave's blog for the gory details:;a=summary

AFAIK he hasn't made any claims about performance improvements.  I
don't know the state of RX queues in Linux.


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