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 From:  "Chris Buechler" <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Hardware suggestion
 Date:  Fri, 9 Feb 2007 02:08:29 -0500
On 2/9/07, krt <kkrrtt at gmail dot com> wrote:
<excellent explanation snipped>
> Of course, neither method works if you have just too much bandwidth for
> the box to handle.

That's the key here. It seems a lot of the time people expect miracles
out of a general purpose OS on weak hardware.

Polling also has the benefit of keeping the webGUI somewhat responsive
if you're completely overloading your hardware. Like I'm currently
using a 4501 as my perimeter firewall (had put in something much
faster but I blew it up and haven't had time to fix it yet), on a 15
Mb cable modem - it can't quite push 15 Mb. With relatively high pps
(packets per second) rates, like BitTorrent traffic, it's essentially
DoS'ed (extremely interrupt flooded) at around 12 Mb, 2000+ pps.
webGUI is completely dead. With polling, the webGUI is really really
slow, but it works. It's not a whole lot faster, network throughput
wise, though.