Tariq Rashid <[EMAIL PROTECTED]> wrote:
> in a test environment, we note that rare spikes of very high request rates
> seem to knock out the radius servers for a short period while they recover.

  The server takes time to process requests.  So long as it's not more
than 10 seconds for one request, it shouldn't matter too much.

  Traffic spikes *will* cause later requests to be processed after the
spike, so you'll see a slow-down there.  I'm not sure what can be done
about it, though.

> an immediate solution that comes to mind is to use traffic shaping (such as
> ALTQ) to smooth off the peaks in request traffic. that is, for normal
> request rates no traffic shaping occurs, but for higher request rates, the
> peaks are smoothed out before they reach the servers. this is more a
> preventative measure until the cause of the server knock-out is found.

  How would you "smooth" requests?  Drop them?  Slow them down?

  Alan DeKok.


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