The WPS Podcast

Rechenzeit

In the monthly podcast "Rechenzeit", Holger Breitling and Dr Andreas Kornstädt - usually together with guests - passionately discuss topics from software architecture and software technology, from the area of tension between hard computer science and computer science applications, right through to social issues. Ultimately, no topics are excluded as long as they interest us enough!

Have a listen!

Podcast | 06.07.2024

Copied Domain-Driven Transformation

Podcast Rechenzeit - Episode 27

By Holger Breitling and Dr Andreas Kornstädt

After Domain-Driven Design and Domain Storytelling comes... Domain-Driven Transformation, of course! In this episode, we welcome Henning Schwentner to our podcast to talk to us about the book "Domain-Driven Transformation", which he co-authored with Dr Carola Lilienthal. Henning describes himself as a coder, coach and consultant and was happy to answer all our questions.

Podcast | 31.03.2024

Domain-Driven Transformation

Podcast Rechenzeit - Episode 27

By Holger Breitling and Dr Andreas Kornstädt

After Domain-Driven Design and Domain Storytelling comes... Domain-Driven Transformation, of course! In this episode, we welcome Henning Schwentner to our podcast to talk to us about the book "Domain-Driven Transformation", which he co-authored with Dr Carola Lilienthal. Henning describes himself as a coder, coach and consultant and was happy to answer all our questions.

Podcast | 31.01.2024

Angular vs React (the duel)

Podcast Rechenzeit - Episode 26

By Holger Breitling and Dr Andreas Kornstädt

State-of-the-art web applications have highly interactive user interfaces in which code (JavaScript) is executed in the browser on a large scale. The most important frameworks that support the creation of such frontends include Angular and React. In episode 26 of Rechenzeit, we contrast Angular and React in an epic battle that appeals not only to the mind, but also to the heart and gut, in the…

Podcast | 09.12.2023

The story of Daisy Bell

Podcast Rechenzeit - Episode 25

By Holger Breitling and Dr Andreas Kornstädt

What does a British man travelling to America on a bicycle have to do with a dying computer intelligence in a spaceship to Jupiter? And what on earth were the computing time makers thinking when they chose the strange music that always plays at the end of episodes? Find out the answers to these questions - and more - in our anniversary episode...

Podcast | 04.10.2023

How the Techniker Krankenkasse got rid of its host

Podcast Rechenzeit - Episode 24

By Holger Breitling and Dr Andreas Kornstädt

Many of the companies that have been running electronic data processing for several decades still use their legacy applications on mainframes (hosts). Some have tried to move away from these platforms, few have succeeded. Techniker Krankenkasse is one of the companies that have succeeded. How did the TK manage it? What were the initial requirements, what were the success factors? What role did…

Podcast | 15.08.2023

Stories of suffering

Podcast Rechenzeit - Episode 23

By Holger Breitling and Dr Andreas Kornstädt

Time and again, we have noticed that the interest in testimonials that deal with real problems is significantly higher than that in smooth success stories.
That's why in this episode we gather with our guests Dr. Dehla Sokenou and Dr. Peter Rüppel around a virtual bonfire to share "tales of woe": failed projects, derailed architectures, crashing software.
Surely it is no coincidence that literary…

Podcast | 19.06.2023

Software Architecture - Assessment with the Modularity Maturity Index (MMI)

Podcast Rechenzeit - Episode 22

People interested in how to evaluate a software system in terms of its software architecture and engineering quality often want (in addition to a detailed and differentiated analysis) to condense the evaluation to a single value, comparable to a school grade. The MMI (Modularity Maturity Index) represents such a metric for software systems . In this episode, we discuss with Dr Carola Lilienthal,…

Podcast | 30.04.2023

Software architecture - assessment with the help of metrics

Podcast Rechenzeit - Episode 21

After we dealt with the evaluation of software architectures of existing systems in the last episode, we focus on the use of metrics and corresponding tools for the evaluation in this episode. As a guest, we welcome Alexander von Zitzewitz, who as CEO of hello2morrow stands for the "Sonar" tools, including Sonargraph, and has published numerous articles on the topic.

Podcast | 10.03.2023

Software architecture - evaluation of existing software systems

Podcast Rechenzeit - Episode 20

In this episode, we look at the evaluation of software architectures that we find in existing, productively deployed systems. Our guest Johannes Rost, who has years of extensive experience in conducting such reviews, gives us procedures and techniques for this task, and shares one or two anecdotes. The discussion becomes particularly exciting when it comes to the extent to which software systems…

Podcast | 31.12.2022

Remote Pair Programming - the new trend sport

Podcast Rechenzeit - Episode 19

Keeping software development teams running under pandemic conditions - what better way in recent months than videoconferencing and related tools to keep team contact and develop software with each other remotely? But behind this, and especially behind pair programming from the home office, there is more than just a passing fad that will disappear again along with the pandemic situation. In this…

Podcast | 13.12.2022

Test-Driven Development

Podcast Rechenzeit - Episode 18

Test-driven development (TDD), test-first approach - these are procedures that have been known for a long time and are also generally recognised. Unfortunately, we software architects on duty have the impression that TDD is not used in our industry with sufficient breadth and consistency. In this episode, we welcome Richard Wallintin, an upright fighter for the true and the good (meaning TDD…

Podcast | 31.10.2022

A tool for music analysis - leitmotif: application orientation

Podcast Rechenzeit - Episode 17

In this episode, we computational time podcasters keep to ourselves: Holger asks Andreas about the story of his dissertation, which starts with Richard Wagner and Lohengrin, gets lost in a few shelf metres of score in the meantime, and finally comes out with a software tool for music analysis ("JRing") and a collaboration with Stanford University. In addition to providing insight into a…

Podcast | 17.09.2022

Seven Pitfalls in Strategic Design (Part 2)

Podcast Rechenzeit - Episode 16

Strategic design is the part of domain-driven design that provides the decomposition of the domain into bounded contexts. In many software projects, this results in the concrete decomposition of a software system into modules or deployment units. Strategic design is therefore momentous, and at the same time it is difficult . This episode of Computing Time deals with the pitfalls number three to…

Podcast | 15.08.2022

Seven Pitfalls in Strategic Design (Part 1)

Podcast Rechenzeit - Episode 15

Strategic design is the part of domain-driven design that provides the decomposition of the domain into bounded contexts. In many software projects, this results in the concrete decomposition of a software system into modules or deployment units.
Strategic design is therefore momentous, and at the same time it is difficult. This episode of Computing Time deals with the first three of a total of…

Podcast | 07.07.2022

Clash of Cultures - Agile Projects and Classic Project Management

Podcast Rechenzeit - Episode 14

This episode of Computing Time looks at what happens when agile approaches and classic project management collide. Not infrequently a real "clash of cultures"! What are the lines of conflict, but what can we learn from each other? We will discuss these questions with the experienced project manager Carsten Lill, who has the "classic" epaulettes and at the same time has an agile mindset. Guest:…

Podcast | 13.06.2022

Update... Privacy Shield 2.0 - on the way to Schrems III?

Podcast Rechenzeit - Episode 13

In this episode, together with lawyer Ralf Burmester, we look at the announced new "Privacy Shield 2.0" agreement between the EU and the US. In a sense, it is an "update" of the Computing Time Episode 9 from January 2022. Is it at all conceivable that anything other than a renewed negative ruling by the ECJ, which could bear the poetic name "Schrems III", will come out of this? Guest: Lawyer Ralf…

Podcast | 30.04.2022

Model-Driven Architecture - a post-mortem analysis

Podcast Rechenzeit - Episode 12

In this episode we deal with a deceased, the "Model-Driven Architecture" (MDA). We examine this twenty-year-old approach of the Object Management Group together with our guest Andreas von Benten, who has decades of experience in model-driven software development. Andreas also explains to us in the podcast that MDA and Model-Driven Software Development (MDSD) are not the same thing, and that MDSD…

Podcast | 31.03.2022

The Modulith - salvation for the monolith?

Podcast Rechenzeit - Episode 11

With the advent of microservices, the monolith has developed an image problem. A monolith with attractive inner values, the well-structured Modulith, is stepping up to save the honour of the mon olith. The question is whether, instead of the contrast between monolith and microservice, there is not a continuum of software architectures that have different degrees of modularisation, increasing in…

Podcast | 26.02.2022

Dual+Discovery Track Scrum

Podcast Rechenzeit - Episode 10

While the programme with the mouse deals with how toothpaste gets into the tube, in this episode of computing time we want to know: How does the design get into the software? Under the dominance of agile process models, it has not become easier to answer this question. All the better that we welcome two guests, Sandra Wrengel and Dr Eugen Reiswich, who explain Dual Track Scrum as a possible…

Podcast | 31.01.2022

When the Privacy Shield broke

Podcast Rechenzeit - Episode 9

The "Privacy Shield" broke down before the European Court of Justice on 16 July 2020. The agreement between the European Union and the United States was supposed to ensure that data could be transferred between the two economic areas in a legally secure manner. Without this shield, data worthy of protection from Europe can generally no longer be entrusted to American companies without the threat…

Podcast | 31.12.2021

Domain-Driven Design goes mobile

Podcast Rechenzeit - Episode 8

In recent years, Domain-Driven Design (DDD) has gained importance as a design approach for microservice architectures, but originally pursues a broader and more fundamental approach. Accordingly, DDD can also be fruitfully used in the development of mobile applications. Our guest Jörg Pechau, with his company I.C.N.H., mainly deals with app development for mobile devices and has been oriented…

Podcast | 29.11.2021

Gamification in quality assurance ("BINGO BONGO!")

Podcast Rechenzeit - Episode 7

In this episode of Rechenzeit, we look at how playful elements can help us motivate teams and experts to develop and test software even better ("gamification"). Our guest is Dr. Dehla Sokenou, who tells us about her experiences with gamification - and in particular explains what is behind the name "BINGO BONGO". Guest: Dr Dehla Sokenou

Podcast | 31.10.2021

The quantum computer

Podcast Rechenzeit - Episode 6

While quantum mechanics fascinates laymen and learned physicists alike and is suitable for small talk and headaches of all kinds at parties (at least at certain parties) - how soft is the fur of Schrödinger's cat? -, the quantum computer has now arrived in the news and the attention of a technology-interested public. In this episode we welcome Prof. Dr. Jörg Hettel as our guest, who began his…

Podcast | 19.09.2021

When will Java be dethroned?

Podcast Rechenzeit - Episode 5

In this episode of Rechenzeit, we take an in-depth look at the programming language Java and the question of how long it will continue to be the dominant all-round language in teaching and industry. We welcome Prof. Dr. Axel Schmolitzky, Professor of Software Development at HAW Hamburg, who has been involved in the design, teaching and use of programming languages for many years, and who…

Podcast | 10.08.2021

Domain Storytelling

Podcast Rechenzeit - Episode 4

With "Domain Storytelling", Dr Stefan Hofer and Henning Schwentner have developed a workshop and modelling method that has become very popular in recent years. It is scenario-based, lightweight and fits well with the Domain-Driven Design approach. A free-to-use modelling tool for Domain Storytelling is also available! In October 2021, the book on Domain Storytelling will be published by…

Podcast | 11.07.2021

The Blockchain - Yesterday's Silver Bullet?

Podcast Rechenzeit - Episode 3

The blockchain is the focus of this computing time episode. After blockchain technology has been known for several years, but the expectations of its widespread use have not yet been fulfilled, we still observe a flare-up of the blockchain hype every year. Is there perhaps more to it than that - or does the blockchain remain just "Yesterday's Silver Bullet"? We talk about this topic in detail…

Podcast | 06.06.2021

Back to The Roots? - The Scrum Guide 2020

Podcast Rechenzeit - Episode 2

This episode is all about the newly revised version of the Scrum Guide, which was published in November 2020. Holger and Andreas welcome the Agile Coach and Scrum Master Nils Hyoma, who introduces the individual changes and explains their subtleties. In just under an hour of cheerful shop talk, you will find out together with us, among other things, why there is no longer a development team in…

Podcast | 06.05.2021

Orientation scenarios in Domain-Driven Design ("We'll always have Paris")

Podcast Rechenzeit - Episode 1

In this episode, Holger and Andreas welcome domain-driven design coach Jörn Koch, who introduces the concept of orientation scenarios. Orientation scenarios are an effective means of finding the contextual cut in the context of DDD and, in doing so, provide a guideline for the upcoming development tasks for usually several software development teams involved. In a good three-quarters of an hour,…

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