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As experts in the creation of safe software systems, in this podcast we answer all the questions about tool and library qualification. Each episode guides you through a crucial topic via discussions, interpretations, and examples given by safety professionals in Validas and beyond, and there’s something for everyone — from specialists to beginners! Our podcast spans the gap between the basic safety standards and new safety products on the market; we’ve created it for you, so contact us at po ...
 
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After a break we are back with our episode number 14 of our second season! Today Dr. Oscar Slotosch will tell us about tool confidence, and how this relates to our toolchain modeling! Don’t miss it, and tune in to know more!We can be reached through podcast@validas.de and all information about Validas and our podcast can be found on our website res…
 
In this special Episode Dr. Oscar Slotosch will enjoy the company of a special guest: Benjamin Flach. Banjamin is the AUTOSAR expert at Validas, and during this pleasant chat with Oscar, he will get us into the world of AUTOSAR and its qualification. Tune in to discover more! We can be reached through podcast@validas.de and all information about Va…
 
This episode is a follow up of episode 38, where we will learn from Dr. Oscar Slotosch even more details about Validas' Process models and Process modeling tool (PMT), and why is this tool essential in the Validas' qualification processes! We can be reached through podcast@validas.de and all information about Validas and our podcast can be found on…
 
In our Episode 11 Dr. Oscar Slotosch will discuss the choice of colors in the Validas' Tool chain Analyzer (TCA). Nothing can be left to chance, tune in to know more about why colors are important! We can be reached through podcast@validas.de and all information about Validas and our podcast can be found on our website respectively at validas.de an…
 
In today's Episode Dr. Oscar Slotosch will talk about traceabilty in Tool Qualification. We will hear why we can't give up on traceabilty in tools and libraries qualification, and how TCA can support in keeping traceability always under control. Tune in! We can be reached through podcast@validas.de and all information about Validas and our podcast …
 
In our new Episode Dr. Oscar Slotosch is going to discuss how to handle findings when testing tools&libraries. And we will hear about interesting findings examples he has encountered during his career. Tune in! We can be reached through podcast@validas.de and all information about Validas and our podcast can be found on our website respectively at …
 
In Today’s Episode we will hear about English for safety experts. In general, but especially in a legal context also nuances in the language can be very important to best interpret safety standards. Dr. Oscar Slotosch will share with us some tips in this regard. Tune in to know more! We can be reached through podcast@validas.de and all information …
 
In today’s episode Dr. Oscar Slotosch will tell us about a new exciting challenge for Validas: building and maintaining a new growing Qualification Kit to support the IBM engineering Tool Suite. How do Validas together with IBM have planned to make this a successful project? tune in to discover the details! We can be reached through podcast@validas…
 
In our new episode Dr. Oscar Slotosch will discuss Tool Qualification in IEC 61508. A safety standard that he uses to define as mother of all standards. If you want to know why, and learn many other interesting details about IEC61508, just tune in! We can be reached through podcast@validas.deand all information about Validas and our podcast can be …
 
In today’s episode Dr. Oscar Slotosch will give us an overview about safety conferences. He will tell us about his experience as chairman and speaker at the 2021 online conference on automotive ISO 26262 functional safety, and will give us some exciting news about other coming conferences. Tune in! And, as mentioned in the episode, here is the link…
 
How and when the amount of work required to qualify our tools can be significatively reduced? If you want to learn about this, tune in and discover the tips and tricks of Dr. Oscar Slotosch to make our life easier in qualifying and not-qualifying our tools! We can be reached through podcast@validas.de and all information about Validas and our podca…
 
In today’s episode, Dr. Oscar Slotosch will give an overview of the DDO-330, a safety standard originally developed in the avionics domain. DO-330 was, in fact, built for the qualification of avionics software, but is today a stand-alone standard focused on tool-qualification, and can be of great support also in other fields. To know more tune in t…
 
Known bugs are one of the main concepts in safety. Most of the big software projects maintain a list of known bugs. Why are they so important and how can we handle them? In this Episode Dr. Oscar Slotosch will discuss about this and much more. Including how known bugs are integrated and modeled within the Tool Chain Analyser (TCA) at Validas. Addit…
 
How can Validas’ team generate arbitrary documentation fast and efficiently? In our first episode of the second season Dr. Oscar Slotosch discusses the Configurable Report Generator, a new smart tool, developed within the TCA-SW, to document how tools, libraries and software comply with safety standards! Tune in to learn more. We can be reached thr…
 
In this final episode of the first season of our podcast, Dr. Oscar Slotosch discusses Validas’s Tool Chain Analyzer for Software (TCA-SW), which contains the automated document generation and visual representations that can help you effectively ‘re-engineer’ your projects with safety as a priority. Tune in to learn about the intricacies of the TCA…
 
In this short question episode Dr. Oscar Slotosch introduces Validas’s growing QKit — a qualification kit that contains as few or as many components as you need, and that grows and expands with the size of your project. If you would like to listen to another one of our episodes, we can recommend Episode 41: Validas’s Generic Safety Plan or another …
 
In this episode Dr. Oscar Slotosch is joined by Dr. Daniel Kästner, co-founder of AbsInt and accomplished expert on safety-critical embedded systems, for a discussion of the applications of static analysis to safety-critical software and the advanced development tools offered by AbsInt. Tune in to learn about the static code analyzer for C and C++ …
 
What does it mean to validate a tool, and what to verify it — and where do we find these terms in tool qualification prescribed by the ISO 26262 safety standard? In this short question episode Dr. Oscar Slotosch clarifies common misunderstandings and explains when it is appropriate to perform a code review, and when a tool should be tested. To lear…
 
To make the process of building safe products more efficient and reliable, Validas has developed a generic safety plan for software and safety elements out of context (SEOOC), which has the added benefit of generating all the required ISO documents automatically from its model. In this episode Dr. Oscar Slotosch presents the generic safety plan and…
 
In the development of modern medical procedures and devices, and especially those that directly affect a person’s health, the safety of software tools needs to be paramount. In this episode Dr. Oscar Slotosch shares his insights into the topic of qualification for medical devices, including the current requirements and processes defined by safety s…
 
To have high confidence in a qualified tool, we should be able to detect its potential errors with a high probability. This condition is commonplace within safety standards, but what does high probability mean in practice? In this short question episode Dr. Oscar Slotosch explains how high probability of error detection should — or shouldn’t — be m…
 
Tool safety is not crucial just for the production of physical parts and mechanical devices, but it has also had an important role in the monitoring of the spread of the COVID-19 pandemic. In this episode Dr. Oscar Slotosch responds to the recent news of the English government losing thousands of data entries by their unsafe use of Microsoft Excel,…
 
As a key technique in any large-scale project, process modeling also has a role in qualification — but the right process modeling tool can provide you with more advantages than you would expect. Join Dr. Oscar Slotosch in this episode to learn about the process modeling technology (PMT) used by Validas, the design that went into its creation, and t…
 
MCDC is a ubiquitous technique used in software testing, but the tools that test it must also be appropriately qualified. In this episode Dr. Oscar Slotosch gives an overview of this code coverage criterion, explains its history and development, and shares his experiences with its advantages and disadvantages for tool qualification. You can find an…
 
In this week’s episode Dr. Oscar Slotosch takes you on a deep dive into the Safety Element out of Context (SEooC) — a crucial construct that is defined in the ISO 26262 safety standard. Join us to learn why the SEooC is an important concept for qualification of tools and libraries, why its use can be a great advantage, and whether it should be the …
 
In this episode Dr. Oscar Slotosch revisits the topic of tool confidence, clears misunderstandings, and explains the details of how tool confidence level (TCL) should be taken from the ISO 26262 safety standard into practice. For more information on TCL, listen to our discussions in Episode 07: Tool Confidence Level and Episode 19: Confidence, to l…
 
The process by which tools can have an impact on the safety of your project is not always straightforward or easy to understand. In this episode Dr. Oscar Slotosch devotes special attention to the ways in which tools can introduce or overlook errors and how we can determine their overall impact. Listen in for a summary of tool impact requirements a…
 
In this episode Dr. Oscar Slotosch brings you an introduction to ISO 26262, the crucial safety standard used in the automotive industry — and one of Oscar’s fields of expertise. Join us to understand the purpose and role of ISO 26262, but also to learn about the concepts of the Automotive Safety Integrity Level (ASIL), the Hazard Analysis and Risk …
 
Do all tools need to be qualified, or can we simply trust the famous ones that have been used successfully in thousands of different environments? Tune in to our fourth short question episode to learn from Dr. Oscar Slotosch about why even famous tools need to be treated with care and where computer bugs really come from. For an introduction to qua…
 
Effective mitigation measures, which have been introduced in part 7.4.4.8 of the second edition of the IEC 61508 standard, are crucial to efficient safety planning — but to construct an effective mitigation strategy, we first need to understand its precise definition in relevant safety standards and what the use of mitigations means for its require…
 
This episode brings you a special discussion of C++ exceptions, in which Dr. Oscar Slotosch and Jakob Riedle of Validas joined forces with Dr. Philipp Robbel, Principal of Mapless AI, an up-and-coming company conducting research in applied artificial intelligence and autonomous system safety. Tune in to learn about the way C++ exceptions are handle…
 
One of the most useful results of Validas’s research projects is PMT, the Process Modeling Tool used to fully model and manage safety-relevant processes at Validas. In this episode Dr. Oscar Slotosch talks about the development and implementation of some of its most useful features — from the ability to graphically depict a project’s safety plan, t…
 
In this week’s episode Dr. Oscar Slotosch discusses the details of safety compliance and its role in safety-relevant software projects. Join us to learn what safety standards require in terms of compliance, what is meant by safety integrity, why compliance reports should always be included your projects, and what procedure Validas uses to ensure co…
 
To successfully test a tool or a library, especially in safety-relevant projects, it is crucial to test for all important cases; in some situations, this can become increasingly difficult to do without automation. In this episode Dr. Oscar Slotosch discusses the usage and purpose of test case generators with Jakob Riedle, who has spent the past two…
 
After a crucial introduction to the role of code coverage in qualification, in our Episode 26, Dr. Oscar Slotosch gives an in-depth analysis of the methods, procedures, and pitfalls in the qualification of compilers. Join us to learn which properties of compilers make them so difficult to qualify, why source code coverage doesn’t provide a sufficie…
 
In this episode Dr. Oscar Slotosch discusses the role of code coverage in the qualification of tools and libraries. Tune in to learn about how code coverage is applied in a safety analysis, the importance of the modified condition/decision coverage (MCDC) criterion in software testing, and why code coverage analysis is strongly recommended, but alm…
 
Despite the restrictions imposed by the ongoing global pandemic, the work at Validas continues — even if it is from home — and this includes our podcast. In this episode we return to the basics to discuss qualification kits and, in particular, Validas’s own QKit. Join us to learn how the first instance of QKit was developed, which features of a qua…
 
To expand on our last episode, in which we discussed tool chains, Dr. Oscar Slotosch talks to Robert Reitmeier — Validas’s own expert on tool chain modeling. In this episode Robert explains each step of the process of tool chain modeling for safety-relevant projects, shares tips on how to use Validas’s Tool Chain Analyzer to its full power, and rev…
 
Tool chains are more than just sets of interconnected tools — in a safety analysis, they are often the crucial component, albeit not one that is trivial to manage. In this episode we discuss why we should be paying attention to tool chains when building a software project, how tool chains should be documented, and what requirements safety standards…
 
If you have been listening to our podcast, you might have wondered about Validas — the types of projects we work on and the mission of Validas in the world of tool and library qualification. You’re in luck; the two CEOs of Validas, Dr. Oscar Slotosch and Dr. Peter Braun, have come together to discuss the successes and challenges of their company, t…
 
In safety-relevant projects, you either need to mitigate for potential errors each time you interact with a tool or you need to qualify it — but can tool qualification save you money? In this episode Dr. Oscar Slotosch explains how to correctly evaluate whether all the cost and effort put toward mitigation can be lessened by a well thought out tool…
 
In this episode, Dr. Oscar Slotosch sat down for a conversation with Marcel Beemster, the CTO of Solid Sands— the one-stop-shop for C and C++ compiler and library testing, validation, and safety services. They discuss all the things that can go wrong with a compiler, where the biggest challenges in compiler use come from, and how Marcel and his tea…
 
What is confidence in the safety of tools and libraries, and how do you buy or create it for your own products? Within safety standards, confidence is a clearly defined technical term, but it relies on subjective evaluation — so how can you be confident in the safety of the tools you use? In this episode Dr. Oscar Slotosch explains the importance o…
 
How can you tell if the tool you are using has been qualified? Tune in to our third bonus question episode with Dr. Oscar Slotosch to find out how this complicated question can have a simple answer. To find out more about the reliability of your tools, join us in Question 04: Do famous tools need to be qualified? and Question 07: What is a growing …
 
In this week’s episode, Dr. Oscar Slotosch explores the importance of the Tool Safety Manual — an essential part of qualification documentation and the only resource the end user has to help them use a tool safely. Learn how tool safety manuals are created and how you can use them responsibly, but also what it is that makes a tool safety manual goo…
 
Even though non-deterministic compilers may not be ideal for use in a safety-relevant project, they can still be qualified. Our new question episode goes beyond the usual topics of compiler qualification and answers the question of whether — and how — non-deterministic compilers can be qualified. For a detailed discussion on compiler qualification,…
 
Did ISO 26262 abolish tool qualification in its second edition? In our first bonus episode, Dr. Oscar Slotosch explains why the answer is quite to the contrary — the second edition of ISO 26262 has put an even stronger emphasis on tool qualification. To learn more about ISO 26262 and other safety standards, listen to our full-length episodes, Episo…
 
Unlike tools, libraries are elements in software development that get directly used in a finished product — therefore, their reliability and safety is paramount. In this episode Dr. Oscar Slotosch introduces you to the topic of library qualification and explains what makes it so crucial. Join us to learn how to safely use publicly available librari…
 
What is a good qualification and how can you recognize it? In this episode Dr. Oscar Slotosch shares his experience and insights on what makes a QKit good — and what makes it bad. Does it save you time and money, or does it sow doubt in your users? Join us and learn how to recognize the crucial elements of a good, reliable qualification. To learn h…
 
Creating and maintaining a reliable set of qualification documents is one of the most important tasks of a tool provider or user. In this episode we delve into the topic of documentation, list the mandatory and recommended documents that should be included in every qualification, and discuss how different types of qualification require different ap…
 
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