[SystemSafety] SILs and Security Levels

[Coq, Thierry]

Oh my, us poor sods using 61508, we have never seen the difference between a required SIL and an achieved SIL....
Please.

Best regards,
Thierry Coq
Mobile +33 06 80 44 57 92
www.dnvgl.com
The opinion expressed here is entirely my own!


-----Original Message-----
From: systemsafety [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] On Behalf Of Martyn Thomas
Sent: mardi 26 avril 2016 16:53
To: systemsafety at lists.techfak.uni-bielefeld.de
Subject: Re: [SystemSafety] SILs and Security Levels

That seems an excellent starting position for work improving 61508.
There will be many details to be agreed, so when do we start?

Martyn



 On 26/04/2016 08:40, Peter Bernard Ladkin wrote:
> Ingo Rolle is a member of this list and the Secretary of the German
> National Committee responsible for matters concerning IEC 61508 as well as Secretary of the GNC responsible for IEC 62443 matters.
> The abnormaldistribuation blog has just published an essay from him on
> a suggestion for a refined allocation of SIL.
>
> http://www.abnormaldistribution.org/2016/04/26/sils-the-safety-related
> -system-lifecycle-and-security-level-ingo-rolle/
>
>



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