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Re: [PATCH] OpenBSD Networking-related randomization port
On Fri, 28 Jan 2005 19:31:50 +0100
L
> > Okay, but:
> > * Need to give better explanation of why this is required,
> > existing randomization code in network is compromise between
> > performance and security. So you need to quantify the performance
> > impact of this, and the security threat reduction.
>
> Performance impact is none AFAIK.
> I've explained them in an early reply to Adrian [1].
When I did the port randomization patch the benchmark that was most impacted
was LMBENCH. The biggest change was in the communications latency results.
If you want, you can sign up for a free access to OSDL test machines
and use STP to run lmbench and easily get before/after results.
1. Go to osdl.org and get associate account http://osdl.org/join_form
2. Submit patch to Patch Lifecycle Manager http://osdl.org/plm-cgi/plm
3. Choose test to run Scalable Test Platform (STP)
http://osdl.org/lab_activities/kernel_testing/stp/
--
Stephen Hemminger <shemminger@xxxxxxxx>
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