Conference Program

Please note:
On this page you will only see the English-language presentations of the conference. You can find all conference sessions, including the German speaking ones, here.

The times given in the conference program of OOP 2024 correspond to Central European Time (CET).

By clicking on "VORTRAG MERKEN" within the lecture descriptions you can arrange your own schedule. You can view your schedule at any time using the icon in the upper right corner.

Thema: Cloud

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  • Dienstag
    30.01.
  • Mittwoch
    31.01.
  • Donnerstag
    01.02.
, (Dienstag, 30.Januar 2024)
09:00 - 10:30
Di 6.1
How to reduce the footprint of Spring Boot applications
How to reduce the footprint of Spring Boot applications

In this session we will walk through various techniques to significantly reduce the resource consumption of regular Spring Boot applications, including using Spring AOT for regular Spring apps, compiling Spring Boot apps to native images (using GraalVM), and using CRaC for instant startup (for scale-to-zero scenarios). We will compare the different approaches, discuss pros and cons for each technology, and share concrete numbers from real-world applications to give the audience an idea of what can be achieved using these technologies.

Target Audience: Developers, Architects
Prerequisites: Basic Spring Boot knowledge required
Level: Advanced

Mehr Inhalte dieses Speakers? Schaut doch mal bei sigs.de vorbei: https://www.sigs.de/autor/martin.lippert

Martin Lippert is part of the Spring engineering team at VMware and leads the Spring tools engineering. In addition to that he focuses on sustainability and green software for several years now.

Mehr Inhalte dieses Speakers? Schaut doch mal bei sigs.de vorbei:  https://www.sigs.de/autor/martin.lippert

The tragedy of user-centred design
The tragedy of user-centred design

User-centred design is one of the default modes of teams working with software, but the consequences are often unsustainable in a densely networked world as we privilege users over all other stakeholders and systems. How might teams approach building products, services and organisations from a more sustainable standpoint than 'user-centricity'? This talk looks at how the techniques of game design, community development, platform operations and security practices can support a practice focused on hyperobjects for multi-centric design.

Target Audience: Leaders, Builders, Architects, Designers, Community Members
Prerequisites: No previous knowledge, only enthusiasm for systems, building things and design
Level: Advanced

Extended Abstract:
The key feature of a 'tragedy' is when everybody does the right thing but it goes wrong anyway. The aim of this session will be to look at why user-centred design goes wrong even if everyone's intentions are pure. This talk (gently!) brings in ideas from feminism, design thinkers, political science and anthropology to focus on very practical, grounded approaches to sustainable design in software teams. We'll look at how building things and designing organisations that have increased levels of friction can improve users' experience and how 'seamless' design can lead to disempowerment. And we'll also draw on the speaker's practical experience of building products used by millions of citizens as part of the UK's digital transformation. By the end of the session we'll have a sense of what might replace the shallow seamlessness of 'user-centred' design — a multi-centric, transcendental design aimed at manufacturing enthusiastic consent.

Simon Edward Bostock is a product and design leader who's worked with software for 20+ years. His interests include how firms and brands incorporate new technologies, how work flows through organisations, EverythingOps and service topologies.

Martin Lippert
Raum 11
Simon Edward Bostock
Raum 11
Martin Lippert
Raum 11

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Simon Edward Bostock
Raum 11
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14:00 - 14:45
Di 8.2
Live Hacking Cloud Architectures
Live Hacking Cloud Architectures

As more organizations are moving to the cloud, cloud architectures are getting more sophisticated by having a kind of technology diversity. This includes for example container orchestrators, database services, networking components & virtual machines.
When it comes to security, observability on this diversity is paramount. The main question here is, do you really perceive when your app landscape is under attack?
In this session, you'll have the opportunity to see various attack vectors & ways to mitigate them using different technologies.

Target Audience: Architects, Developers, Software Engineers
Prerequisites: Basic cloud & security knowledge
Level: Advanced

Extended Abstract:
Come and watch a live attack on a real-world based cloud architecture and see the attacker scan web applications and start lateral movement with the goal of exfiltrating data. Furthermore, become a part of the blue-team, defending and securing the architecture with modern open source tools.

Mirna Alaisami is a senior consultant at Novatec with focus on cloud technologies & platforms. She supports & advises customers on building cloud architectures & migrating to various cloud platforms. She also develops & delivers training topics related to microservice development & CI/CD. Prior to that, she worked as a software engineer. In addition to her role as a consultant, she actively blogs for Novatec, has been guest lecturer at different universities, and speaker at various meetups & conferences.

Thorsten Jakoby is a consultant for IT-architectures & cloud migrations at Novatec in Germany. He is currently a cloud security architect for highly regulated customers in Germany.
With a background of more than 10 years in distributed applications, he enables both customers building cloud architectures & students entering the IT world. Prior to his role at Novatec he led a company specialized in cloud-based startup projects.
Besides his role as consultant, he is also a trainer and public speaker.

Mirna Alaisami, Thorsten Jakoby
Raum 13b
Mirna Alaisami, Thorsten Jakoby
Raum 13b
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, (Mittwoch, 31.Januar 2024)
11:00 - 11:45
Mi 3.2
Smoothen Your Journey into the Cloud – Fifteen Factors of Success
Smoothen Your Journey into the Cloud – Fifteen Factors of Success

Organizations are drawn to migrate their systems into the cloud, but in practice, cloud transformations do not always succeed in achieving the advantages often promised by cloud providers, such as scalability, availability, and cost effectiveness.
We give an overview over Kevin Hoffmann's fifteen factors for cloud-native applications and how they help us achieve success in our cloud migrations.

Target Audience: Architects, Developers, Operations, DevOps
Prerequisites: Basic understanding of web services
Level: Basic

Extended Abstract:
You think you are already reaping the cloud's harvest by lifting and shifting your apps to some cloud-provided VM or container infrastructure?
You've already read about Heroku's (original) twelve factors, maybe even skimmed though Kevin Hoffmann's book, and think your app is good enough, because you are using Git, have a CI pipeline, and someone in the team once ran the app in a Docker container?
Or you think your team isn't going to the cloud any time soon and this advice does not apply to you anyway?
Maybe you're right. Chances are, you are in for a surprise, though.
The original twelve factors for cloud-native application development are (reasonably) well established and widely agreed upon. Yet, in practice, there appear to be some misunderstandings regarding their meaning, and we see cloud migrations fail precisely due to reasons that could be avoided by following these factors correctly. The extension to fifteen factors by Kevin Hoffmann is less widely known, but no less important for modern, cloud-native application landscapes, especially since this extension also revisits and updates the original twelve factors.
The goal of this talk is to disseminate and discuss the fifteen factors, as well as to emphasize their interrelations and embed them in the greater context of modern application development, in order to help reduce pain for many teams tasked with bringing their software to the cloud.

Matthias Dangl worked as a researcher in the field of software engineering at the SoSy-Lab at LMU Munich, and, since then, has accumulated several years of practical experience as a software architect and consultant.

Matthias Dangl
Raum 04a
Matthias Dangl
Raum 04a
Vortrag: Mi 3.2
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, (Donnerstag, 01.Februar 2024)
14:30 - 15:30
Do 9.3
We shrink the cloud – CO2 consumption as DevOps team KPI
We shrink the cloud – CO2 consumption as DevOps team KPI

At Tchibo we wanted to reduce our server and energy consumption with our product development teams. But why would we care? We all like fast snappy development and test systems. And our shop needs to survive Black Friday’s shopping traffic. Annual Google Cloud consumption forecasts do not trigger us to consume less. But when we started to show teams their related carbon dioxide footprint, we created a feedback loop that will help us to become better CO2-developers.
As developers, we have an impact - to program CO2 reduction.

Target Audience: Everyone, Developers, DevOps People
Prerequisites: None
Level: Advanced

Extended Abstract:
We will present the idea and first measurements on the server side. The planned client side measurements are still work in progress and very difficult to perform. Nevertheless is the client side induced CO2 consumption at large websites probably a large lever for reduction.

Mehr Inhalte dieses Speakers? Schaut doch mal bei sigs.de vorbei: https://www.sigs.de/autor/johannes.mainusch

Gründer und Mitmacher bei kommitment. Liebhaber von Röhrenradios und Fahrrädern. Am liebsten mit leichtem Gepäck in Europa unterwegs. Coded gern in typescript und go, arbeitet aber meistens mit nicht deterministischen Prozessoren in Management-Meetings. Mag Labskaus und Chaos.

Mehr Inhalte dieses Speakers? Schaut doch mal bei sigs.de vorbei:  https://www.sigs.de/autor/johannes.mainusch

Zoe is a digital sustainability and web performance engineer with 3 years of experience in the field. They have published user research and actionable advice for brands and advertisers, and they are currently running web performance and web energy consumption correlation research studies. Zoe is also a member of the Sustainable Web W3C Community Group, focused on web digital sustainability measurement and standards to offer actionable advice to developers. They are a contributor to the Web Sustainability Guidelines 1.0 Draft.

Zoe is passionate about using their skills to help businesses reduce their digital environmental impact. They believe that digital sustainability is an important issue that everyone should be aware of, and they are committed to raising awareness and sharing their knowledge with others.

Johannes Mainusch, Zoe Lopez-Latorre
Raum 04a
Johannes Mainusch, Zoe Lopez-Latorre
Raum 04a
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17:00 - 18:00
Do 2.4
Enterprise Serverless Monoliths – Or Stay On-Premise
Enterprise Serverless Monoliths – Or Stay On-Premise

High traffic during business hours, no traffic at night, weekends and vacations, multiple teams, and several staging environments - these characteristics of a typical enterprise application. Pay-as-you-go, "scale-to-zero" and managed services make serverless architectures appealing for enterprise applications.
On-premise, on the other hand, you get the maximum flexibility and full access to machines with less automation and so more plumbing.
I will compare both approaches with focus on architecture and answer your questions in real time.

Target Audience: Developers, Architects
Prerequisites: Basic Cloud and Java Knowledge
Level: Advanced

Adam Bien is Developer (Architect), Consultant, Trainer (https://airhacks.io), AWS Hero, podcaster (https://airhacks.fm), Java enthusiast (and Java Champion). Adam (https://adambien.blog) uses Java since JDK 1.0 and JavaScript since LiveScript and still enjoys writing code.
Adam regularly organizes Java / Web / Cloud / Architectures online live workshops https://airhacks.live and monthly Q&A live streaming show: https://airhacks.tv.

Adam Bien
Raum 11
17:00 - 18:00
Do 6.4
ENTFÄLLT: Architecting MLOps: The Journey from Identifying ML Use Cases to the ML Platform Architecture
ENTFÄLLT: Architecting MLOps: The Journey from Identifying ML Use Cases to the ML Platform Architecture

Great engineers often use back-of-the-envelope calculations to estimate resources and costs. This practice is equally beneficial in Machine Learning Engineering, aiding in confirming the feasibility and value of an ML project. In my talk, I'll introduce a collaborative design toolkit for ML projects. It includes Machine Learning Canvas and MLOps Stack Canvas to identify ML use cases and perform initial prototyping, thus ensuring a business problem can be effectively solved within reasonable cost and resource parameters.

Target Audience: Architects, Developers, Project Leader, Data Scientist
Prerequisites: Basic knowledge in machine learning
Level: Advanced

Dr. Larysa Visengeriyeva received her Augmented Data Quality Management doctorate at TU Berlin. She is the Head of Data and AI at INNOQ. She focuses on Machine Learning Operations (MLOps), Data Architectures like Data Mesh, and Domain-Driven Design. Larysa initiated the Women+ in Data and AI Summer Festival.

Larysa Visengeriyeva
Raum 02
Larysa Visengeriyeva
Raum 02
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17:00 - 18:00
Do 8.4
Platform Engineering and the future of internal platform products
Platform Engineering and the future of internal platform products

DevOps isn't dead yet and it will not die in the future. Platform engineering comes to leverage DevOps practices horizontally to support developers, operations and those in between. In this session, I will give you a perspective on how to move on from DevOps to Platform Engineering, how to design and shape your internal platform and build a vibrant community sharing best practices and enabling each other to overcome faster issues. In the end you will understand how we can reduce the cognitive load for dev teams to focus on features.

Target Audience: DevOps, Developer, Manager
Prerequisites: Experience in DevOps and an understanding of the pain of silos
Level: Advanced

Extended Abstract:
Platform Engineering is often seen as the evolution of DevOps. However, it is yet a new discipline using DevOps practices but focusing on the entire chain and breaking silos. I will show details from my experience on my job as well as 3 years of release engineering at Kubernetes where it wouldn't be possible to release without a proper platform.

Hossein Salahi is a lead platform engineer at Liquid Reply with experience in designing and implementing cloud/cloud-native infrastructure and developer platforms. Hossein is enthusiastic about distributed computing, open-source projects, and cloud-native solutions. He likes to share the lessons learned from different projects and challenges faced in the last years. He has also contributed to open-source projects in previous years.

Max Körbächer ist Gründer von und Cloud Native Advocate bei Liquid Reply. Er ist Co-Vorsitzender der CNCF Environmental Sustainability Technical Advisory Group, CNCF-Botschafter, Gründungsmitglied des Linux Foundation Europe Advisory Board und war drei Jahre lang Mitglied des Kubernetes-Release-Teams. Er unterstützt und berät Unternehmen in Open-Source-Angelegenheiten, wie man eine Open-Source-Strategie aufbaut und wie man zu Projekten beiträgt. Er konzentriert sich auf das Design und den Aufbau Cloud-nativer Lösungen auf/mit Kubernetes und von Platform Engineering, um die aktuellen Herausforderungen komplexer Systeme zu vereinfachen. Außerdem organisiert Max die Kubernetes Community Days in München und der Ukraine sowie Kubernetes/Cloud Native Meetups in München.

Mehr Inhalte dieses Speakers? Schaut doch mal bei sigs.de vorbei: https://www.sigs.de/autor/max.koerbaecher

Hossein Salahi, Max Körbächer
Raum 12a
Hossein Salahi, Max Körbächer
Raum 12a
Vortrag: Do 8.4
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