[nycbug-talk] Some DoS benchmarking

[alex at pilosoft.com]

On Sat, 19 Mar 2005, Isaac Levy wrote:

> On Mar 19, 2005, at 1:24 PM, alex at pilosoft.com wrote:
> 
> [snip]
> > Not really. See pktgen.
> [snip]
> 
> Hey Alex- can you please stop trolling for a sec and explain what 
> pktgen does to replicate thousands of actual machines in a ddos?
I wasn't sure what you asked. If you are asking why pktgen is fast - it is
because most of the logic for generation/sending of packets is in kernel,
and there's no syscall/ctx switch overhead per packet.

-alex