one question about Hybrid approach
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Paccapeli, Roberto
Hi Patrick Qian,
The spirit of the standard is to embrace the current state-of-art and to identify what is relevant for Functional Safety. It is not in the scope of the standard to assess one specific approach to justify the usage of a certain design. Of course, any hints, ideas, techniques explored and recognized by ELISA members as beneficial for FuSa should be taken in account for extended discussion in ISO community.
Said that, at the moment I don’t see contrast with safety standard. Maybe, my talk (plus Vito) could help your observed open. It is always possible (and basically a common practice…) to apply a sort of partitioning of the safety scope, to select an appropriate tailoring of the standard and to identify the best method (or a mix of them) to justify the robustness of your final design. Then, “hybrid mode” is not really a new term in Functional Safety galaxy 😊. But what could be really new and interesting here is on how this specific hybrid mode could help on justifying the usage of a “monolithic” complex SW like Linux Kernel.
From my side I agree with you that now the challenge is to address the boundary of the “SW units” described by Gab and Daniel and to set a clear list of ingredients for making them “qualifiable”. And Table 6 is something that Development Process WG has already started to analyze e.g. by facing CWE (and, if I am not wrong, MISRA), by checking SCA tools and outcomes…
Thanks,
Roberto Paccapeli Functional Safety Manager | IOTG PMCE FSS
D +39 050.782.0014 | M +39 339.589.2630 Via Lenin 132/p | S. Giuliano Terme, Italy, 56017 Intel Corporation | intel.com
From: safety-architecture@...
<safety-architecture@...> On Behalf Of Qian ChunLei ???
Sent: Tuesday, May 25, 2021 12:18 PM To: Paoloni, Gabriele <gabriele.paoloni@...>; safety-architecture@... Subject: [ELISA Safety Architecture WG] 答复: one question about Hybrid approach
Hi Gab:
Thanks for you answer, it looks like this approach is a little tricky, Did you or ELISA have a plan to discuss this approach with organization of ISO26262?
BR Patrick Qian
发件人:
Paoloni, Gabriele [mailto:gabriele.paoloni@...]
Hi QianChunlei
WRT table6 it is something that we need to discuss (it may happen in the development process WG sometime);
Thanks Gab
From:
safety-architecture@... <safety-architecture@...>
On Behalf Of Qian ChunLei ???
Hi Gab:
Thanks for the workshop and introduction qualification approach, this is really helpful.
From the workshop, it looks like ELISA is using above Hybrid Approach, I have one question, does this Hybrid Approach mean the small SW unit didn’t need to comply the following Table6 of ISO26262 part-6? And if so, does ISO26262 standard accept this?
钱春雷 QianChunlei | Patrick ) +86 15221412751 基础软件平台 | Basic Software Platform 上海汽车集团股份有限公司零束软件分公司 SAIC Motor Z-ONE Software Company 上海市嘉定区汽车·创新港 | 安研路201号 Auto Innovation Park | 201 Anyan Road, Jiading, Shanghai
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