Re: Networking with slow CPUs

Samium Gromoff (
Thu, 28 Mar 2002 18:38:29 +0300 (MSK)

> > Is there a possibility to "harden" a small machine (33 MHz embedded
> > device) against e.g. flood pings from the outside world?
> >
> AFAIK, there is a mechanism to switch off the interrupts generated
> by the network card, if the load is getting too high. This way the
> packets get overwritten on the nic buffers and do not even reach
> the CPU.
this is a whole new strategy: ie you switch from interrupt-driven handling
to periodicall polls of the NIC.
last time i`ve heard of it it was the bleeding edge Jamal`s model
of the lowlevel network engine.

regards, Samium Gromoff
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