>I'll agree with your experience.  At this point, the limiting
>factor is PCI bandwith, at least for general purpose hardware.

   I haven't found PCI bandwidth to be a problem, either, at least when
using gigabit ethernet NICs on 64bit and/or 66MHz PCI. When one writes an
efficient HTTP server that takes a tiny amount of memory per process and
uses sendfile() to crank out the bits, the bottleneck becomes the CPU for
doing context switches, packet header creation, and TCP protocol processing.

-DG

David Greenman
Co-founder, The FreeBSD Project - http://www.freebsd.org
President, TeraSolutions, Inc. - http://www.terasolutions.com
President, Download Technologies, Inc. - http://www.downloadtech.com
Pave the road of life with opportunities.

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