Episodes

  • ABAP and Open Source – A Senior Manager’s Perspective

    ABAP and Open Source – A Senior Manager’s Perspective
    Dec 1 2025
    In this episode of The Open Source Way, Karsten Hohage chats with Sonja Lienard, Senior Vice President and Head of ABAP Platform at SAP SE. They delve into Sonja's professional journey, her contributions to ABAP development, and the significant role open source technologies play at SAP. The discussion covers Sonja's involvement with various programming languages, the integration of Eclipse IDE and Rust into ABAP development, and the importance of bottom-up innovation. Sonja emphasizes the value of swarm intelligence and the necessity for senior management to grant developers the freedom to explore open source projects. Tune in for an engaging conversation on how open source drives both external collaboration and internal development at SAP – from a senior manager's perspective!
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    26 mins
  • OpenSearch | feat. Pallavi Priyadarshini

    OpenSearch | feat. Pallavi Priyadarshini
    Oct 16 2025
    In this episode, our host Karsten Hohage talks with our guests Juergen Walter, Pallavi Priyadarshini and Karsten Schnitter about OpenSearch. OpenSearch is an open-source search, analytics and observability suite which has been enhanced with significant AI capabilities. This episode showcases SAP's current use of OpenSearch for observability on their Business Technology Platform and the project's evolution from Elasticsearch, community-driven development, and AI advancements. Key contributions like FIPS compliance and OpenTelemetry integration are also covered. Learn how OpenSearch is shaping the future by combining advanced full-text search, observability, and analytics capabilities—all community-driven and completely open source. This episode showcases the current use of OpenSearch within SAP. It also discusses the project history, community development, and the project's future. OpenSearch is shaping the future by combining advanced full-text search, observability, and analytics capabilities—all community-driven and completely open source.
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    39 mins
  • OpenMCP

    OpenMCP
    Sep 17 2025
    Johannes Ott and Maximilian Techritz, who are both software engineers at SAP, talk about Open Managed Control Planes – an open source project that allows you to orchestrate any aspect of a cloud landscape using one declarative API. This is made possible by harmonizing different open source tools in the Kubernetes ecosystem. Johannes and Maximilian will show why this project solves reoccurring challenges in enterprises, how it works and what organizations need to get started.
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    25 mins
  • QEMU

    QEMU
    Jul 17 2025
    Karsten Hohage talks about QEMU with Helge Deller, SAP and Alex Bennée, Linaro. QEMU, short for “Quick Emulator”, is a virtualization software that can be used to emulate various types of hardware. They discuss the open source aspects of QEMU and how it is used in various aspects of the software development lifecycle.
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    29 mins
  • Catena-X- Tractus-X

    Catena-X- Tractus-X
    Apr 16 2025
    Our host, Karsten Hohage and guest, Siegfried Kiermayer, cloud architect at SAP Commerce, talk about governance issues and solutions in open source projects, using projects like Catena-X and Tractus-X as an example. Starting with the basis of what these projects are, they will go into detail on how the projects are managed with time throughout the episode.
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    31 mins
  • Asset Administration Shell

    Asset Administration Shell
    Feb 26 2025
    The host Karsten Hoage and with Thiago Weber Martins – the product manager for AAS Digital Twins at SAP about the Asset Administration Shell (AAS). Thiago takes you on a journey about what the ASS is, what the standards are and where ASS and digital twins are used. Together they also talk about the original idea and goals of digital twins and how these developed over time.
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    35 mins
  • InnerSource Commons

    InnerSource Commons
    Dec 17 2024
    In this episode, host Karsten Hohage speaks with Danese Cooper, Guilherme Dellagustin (SAP), and Russ Rutledge about InnerSource Commons. Founded in 2015, InnerSource Commons is the worlds largest community of InnerSource advocates. InnerSource Commons provides knowledge, best pratices, challenges, and solutions related to InnerSource for organizations and individuals.
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    45 mins
  • SAP R3 Port to Linux

    SAP R3 Port to Linux
    Oct 24 2024
    In this episode, host Karsten Hohage speaks with Christoph Roland (former SAP) and Harald Kuck (SAP) about the past – when they both ported SAP software stack to Linux back in the 90s. Today Linux provides an open-source-based operating system infrastructure for SAP solutions. In the podcast Christoph and Harald share anecdotes and insides from the very beginning of Open Source and SAP.
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    36 mins