BB25.G System level availability

BB25.G
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Title	System level availability
Page Title	BB25.G System level availability
Technology Line	Autonomy of Devices/Energy Efficiency of WSN
Lead partner	PhLi
Leader	Willem van Driel
Contributors	PhLi, NXP AT, HH, VEMCO, Nokia, ITI, GUT, AVL, Tecnalia, Acciona, CISC, VTT
Related to Use Cases	SCOTT:WP7, SCOTT:WP11, SCOTT:WP13
Description	Objective: Set-up minimum efforts for application level fault injection, recoverability and fault tolerant scenarios. The basic idea of Fault Injection Techniques309310 is to emulate (is in fact imitate) both hardware and software to better predict the final product quality and reliability. To make models of the hardware, a good representation of the actual hardware is needed. In many cases, emulation can be used to evaluate the software components without the (final version of the) hardware. To create those models, the software requires the following: Representation of hardware models in transfer functions, derived from hardware simulation tools, physics of failure knowledge, Design of Experiments (DoE), or by using the transfer function from previous hardware versions Models for functional parts of the hardware, to be able to test specific parts only. Descriptions of interactions between models (dependency/relation) Per today, there is no agreement yet in the community about what availability and reliability means for complex large systems. The proposed dependability tree is published in311. But what are the right tools and methods for validation and verification of large and complex systems?
Main output	In SCOTT we will investigate to what level fault injection can contribute to a fast release of large and complex systems. The output will be a description on how one should apply this technique and to what extend it will be succesfull in limiting the validation and verification of these systems.
BB category	Methodology (for SW/HW development)
Baseline	State-of-the-art is publisched in Papp & Exarchakos. It contains a proposal for the dependability tree. System level Fault Injection, however, is not part of it. This will be developed in SCOTT
Current TRL	The current TRL for this Building Block (1-9) is TRL 2 – technology concept formulated.
Target TRL	TRL 6 – technology demonstrated in relevant environment (industrially relevant environment in the case of key enabling technologies).

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