The Open Source Way

ABAP and Open Source – A Senior Manager’s Perspective

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! ---------------------------------------- GUESTS: Sonja Liénard - Senior Vice President and Head of ABAP Platform, SAP SE [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/12/sonja_lienard.jpeg] Sonja Liénard Sonja Liénard is Senior Vice President and Head of ABAP Platform at SAP SE. In her role, she leads a global engineering organization and defines the long-term vision, strategy, and roadmap of the ABAP platform in multiple areas such as Generative Artificial Intelligence, ABAP Cloud, ABAP Platform Infrastructure, and Custom Code Transformation for SAP’s Clean Core strategy. Follow Sonja on LinkedIn: https://www.linkedin.com/in/sonjalienard/ [https://url.sap/r4jsw5] ---------------------------------------- SHOW NOTES: * SAP Help Portal | ABAP Development Tools for Eclipse [https://url.sap/ce7clx] * SAP Learning | Learn the Basics of ABAP Programming on SAP BTP [https://url.sap/rwtajr] * The Open Source Way | License Compliance – From risks to developer friendly processes [https://url.sap/adryah] * The Open Source Way | Rust – A Language on the Rise [https://url.sap/7jes27] * The Open Source Way | Eclipse Dirigible – An Open-Source Platform for End-To-End Rapid Development of Business Applications [https://url.sap/our85b] ---------------------------------------- * SAP Open Source Program Office * Innovation at SAP | SAP Open Source [https://url.sap/yjvtpf] * SAP Community | SAP Open Source [https://url.sap/6bvkla] * SAP Open Source Twitter (@sapopensource) [https://twitter.com/sapopensource] * Email us: ospo@sap.com [ospo@sap.com] * Additional Downloads * Download the transcript [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-09-opensourceway-50.pdf] as PDF file * Try out an open-source podcast player – find a list here [https://podcastindex.org/apps?appTypes=podcast+player%2Copen+source] (list not maintained by SAP) HOST: Karsten Hohage – Product Expert in Technology and Innovation (T&I) Karsten Hohage, SAP [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2024/09/image.jpeg] Follow Karsten on LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/ [https://url.sap/kdbxun]

OpenSearch | feat. Pallavi Priyadarshini

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.  ---------------------------------------- GUESTS: Pallavi Priyadarshini [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/11/Pallavi-P.jpeg] Pallavi Priyadarshini As Director of Search, Pallavi Priyadarshini leads Search at the OpenSearch Project and Amazon’s OpenSearch Service, including its managed and serverless offerings. She also serves on the Technical Steering Committee of the OpenSearch Project, helping guide the open-source platform’s technical direction. LinkedIn: https://www.linkedin.com/in/pallavipr/ [https://url.sap/wmg2jo]  [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/11/Juergen-W.jpeg] Juergen Walter Jürgen Walter is an observability expert in SAP BTP observability driving ingestion and usage, certifications, and stability topics for SAP Cloud Logging and other services. He is a member of the newly formed OpenSearch Observability TAG and contributed improvements for OpenSearch ingest. LinkedIn: https://www.linkedin.com/in/juergen-walter/ [https://url.sap/ovn0gq] Karsten Schnitter [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/11/Untitled-3.png] Karsten Schnitter Karsten Schnitter is a software architect working in the observability area of the SAP Business Technology Platform. He is responsible for SAP Cloud Logging and other logging services for SAP BTP. Karsten is also a member of the technical steering committee at the OpenSearch Project. LinkedIn: https://www.linkedin.com/in/karsten-schnitter-7b85b174/ [https://url.sap/3q2me4] ---------------------------------------- SHOW NOTES: * SAP Cloud Logging at Discovery Center: https://discovery-center.cloud.sap/serviceCatalog/cloud-logging [https://url.sap/6k54j6] * OpenSearch Main Page: https://opensearch.org/ [https://opensearch.org/] * Github Project: https://github.com/opensearch-project [https://url.sap/odcnps] * Case Study: OpenSearch@SAP: https://opensearch.org/blog/case-study-sap-unifies-observability-at-scale-with-opensearch-and-opentelemetry/ [https://opensearch.org/blog/case-study-sap-unifies-observability-at-scale-with-opensearch-and-opentelemetry/] * OpenSearchCon North America 2025 | YouTube Playlist: https://www.youtube.com/playlist?list=PLzgr9zSpws14nCUmupVPypGXq87rcFp5Y [https://url.sap/wk5m42] * Cloud Foundry: https://podcast.opensap.info/open-source-way/2022/09/28/cloud-foundry-a-one-size-fits-all-solution-for-application-development/ [https://url.sap/kqj1nr] * Kyma: https://podcast.opensap.info/open-source-way/2020/12/23/project-kyma-an-easy-way-to-extend-enterprise-applications/ [https://url.sap/adiglx] ---------------------------------------- * SAP Open Source Program Office * Innovation at SAP | SAP Open Source: https://www.sap.com/about/company/innovation/open-source.html [https://url.sap/6l0xjq] * SAP Community | SAP Open Source: https://community.sap.com/topics/open-source [https://url.sap/h38bbt] * SAP Open Source Twitter (@sapopensource) [https://twitter.com/sapopensource] * Email us: ospo@sap.com [ospo@sap.com] * Additional Downloads * Download the transcript [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-10-opensourceway-51.pdf] as PDF file * Try out an open-source podcast player – find a list here [https://podcastindex.org/apps?appTypes=podcast+player%2Copen+source] (list not maintained by SAP) HOST: Karsten Hohage – Product Expert in Technology and Innovation (T&I) Karsten Hohage, SAP [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2024/09/image.jpeg] LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/ [https://url.sap/6slijy]

OpenMCP

In this episode Karsten Hohage, Johannes Ott and Maximilian Techritz 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. 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. GUESTS: [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/09/Maximilian_Techritz-scaled.jpeg] Maximilian Techritz Maximilian Techritz is a Software Engineer and Developer Advocate at SAP. He is one of the contributors to Open Managed Control Planes and shares excitement around tools in the Kubernetes ecosystem to a growing community within SAP and externally. LinkedIn: https://www.linkedin.com/in/maximilian-techritz [https://www.linkedin.com/in/maximilian-techritz]  [https://www.linkedin.com/in/helge-deller/?originalSubdomain=de] [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/09/Johannes_Ott.jpeg] Johannes Ott Johannes Ott is a Software Engineer and Developer Advocate at SAP and one of the contributors to Open Managed Control Planes. He actively shares best practices around Infrastructure as Data and promotes tools around the Kubernetes ecosystem within SAP and the open source community. LinkedIn: https://www.linkedin.com/in/johannes-ott-00a74949/ [https://www.linkedin.com/in/johannes-ott-00a74949/] [https://www.linkedin.com/in/alexbennee/?originalSubdomain=uk] SHOW NOTES: * https://github.com/openmcp-project [https://github.com/openmcp-project] * https://neonephos.org/ [https://neonephos.org/] * https://apeirora.eu/ [https://apeirora.eu/] * https://www.bundeswirtschaftsministerium.de/Redaktion/EN/Artikel/Industry/ipcei-cis.html [https://www.bundeswirtschaftsministerium.de/Redaktion/EN/Artikel/Industry/ipcei-cis.html] * SAP Open Source Program Office * SAP Open Source at SAP Community [https://url.sap/i6hec5] * SAP Open Source Twitter (@sapopensource) [https://twitter.com/sapopensource] * Email us: ospo@sap.com [ospo@sap.com] * Additional Downloads * Download the transcript [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-09-opensourceway-50_transcript.pdf] as PDF file * Try out an open-source podcast player – find a list here [https://podcastindex.org/apps?appTypes=podcast+player%2Copen+source] (list not maintained by SAP) HOST: Karsten Hohage – Product Expert in Technology and Innovation (T&I) This image has an empty alt attribute; its file name is Karsten-Hohage.jpeg [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2024/09/image.jpeg] LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/ [https://url.sap/i1itkn]

QEMU

In this episode, Karsten Hohage talks about QEMU with Helge Deller from SAP and Alex Bennée from 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, how it is used in various aspects of the software development lifecycle, and how it helps the software ecosystem. GUESTS: [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/07/helge.jpeg] Helge Deller Helge is head of SAP’s Linux lab, which is responsible for the development, certification and support of SAP products on Linux. And in his spare time, he is a maintainer of the RISC and PA-RISC Linux port and various areas of the Linux kernel. And he contributes to QEMU.   LinkedIn: https://www.linkedin.com/in/helge-deller [https://www.linkedin.com/in/helge-deller/?originalSubdomain=de] [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2025/07/alex.jpeg] Alex Bennée Alex is a senior tech lead for virtualization and emulation at Linaro. Over his career, he has worked on devices from one-armed bandits to microwave communication systems. LinkedIn: https://www.linkedin.com/in/alexbennee/ [https://www.linkedin.com/in/alexbennee/?originalSubdomain=uk] SHOW NOTES: * QEMU Project * Project homepage: http://www.qemu.org [https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qemu.org%2F&data=05%7C02%7Cajinkya.patil%40sap.com%7C428f91bd6ed24f1b657e08ddc3b040cd%7C42f7676cf455423c82f6dc2d99791af7%7C0%7C0%7C638881883966391874%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=GYsg2SVi16hWg%2FjyJkgnDwRS1Nm9NFYU2FUl0qAp6to%3D&reserved=0] * Code repo: https://gitlab.com/qemu-project/qemu [https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.com%2Fqemu-project%2Fqemu&data=05%7C02%7Cajinkya.patil%40sap.com%7C428f91bd6ed24f1b657e08ddc3b040cd%7C42f7676cf455423c82f6dc2d99791af7%7C0%7C0%7C638881883966417685%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=fQrwuYlPJRbuOA2V3ADC3cwCQAcm%2BpEmxF4fopNd1Gk%3D&reserved=0] * Issues: https://gitlab.com/qemu-project/qemu/-/issues [https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.com%2Fqemu-project%2Fqemu%2F-%2Fissues&data=05%7C02%7Cajinkya.patil%40sap.com%7C428f91bd6ed24f1b657e08ddc3b040cd%7C42f7676cf455423c82f6dc2d99791af7%7C0%7C0%7C638881883966436423%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=QHa9fafzjq0lKHPVmH2JGoypkN2dDN8VUf8YDZtiYF0%3D&reserved=0] * Documentation: https://qemu.readthedocs.io [https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fqemu.readthedocs.io%2F&data=05%7C02%7Cajinkya.patil%40sap.com%7C428f91bd6ed24f1b657e08ddc3b040cd%7C42f7676cf455423c82f6dc2d99791af7%7C0%7C0%7C638881883966452272%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=iEyqb5fk%2BY3U9ri%2BiXwMe%2B2cj2gU1xnuUS0PAidIYNA%3D&reserved=0] * SAP Open Source Program Office * SAP Open Source at SAP Community [https://url.sap/i6hec5] * SAP Open Source Twitter (@sapopensource) [https://twitter.com/sapopensource] * Email us: ospo@sap.com [ospo@sap.com] * Additional Downloads * Download the transcript [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-07-opensourceway-49.pdf] as PDF file * QEMU: https://www.qemu.org/ [https://www.qemu.org/] * Linaro: https://www.linaro.org/ [https://www.linaro.org/] * KVM: https://linux-kvm.org/ [https://linux-kvm.org/] * PA-RISC: https://parisc.docs.kernel.org/ [https://parisc.docs.kernel.org/] * Alex on GitHub: https://github.com/stsquad [https://github.com/stsquad] * Helge on GitHub: https://github.com/hdeller [https://github.com/hdeller] * Try out an open-source podcast player – find a list here [https://podcastindex.org/apps?appTypes=podcast+player%2Copen+source] (list not maintained by SAP) HOST: Karsten Hohage – Product Expert in Technology and Innovation (T&I) This image has an empty alt attribute; its file name is Karsten-Hohage.jpeg [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2024/09/image.jpeg] LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/ [https://url.sap/i1itkn]

Catena-X- Tractus-X

In this episode, Karsten Hohage and Siegfried Kiermayer, a cloud architect at SAP Commerce, discuss governance issues and solutions in open source projects.   The 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.  GUESTS: Thiago Weber Martins, SAP [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-04-opensourceway-48-sigi.jpg] Siegfried Kiermayer  For seven years running, Siegfried Kiermayer serves as a Cloud Architect at SAP, where he is currently responsible for the Build Environment of SAP Commerce. He held an integral, founding role with Catena-X for two years and Eclipse Foundation Tractus-X Project Lead.  LinkedIn:  [https://www.linkedin.com/in/siegfried-kiermayer-006199110 ]https://www.linkedin.com/in/siegfried-kiermayer-006199110 [https://url.sap/benlf3] SHOW NOTES: * Catena-X: https://catena-x.net/ [https://catena-x.net/] * Tractus-X: https://eclipse-tractusx.github.io/ [https://eclipse-tractusx.github.io/] * SAP Open Source Program Office * SAP Open Source at SAP Community [https://url.sap/i6hec5] * SAP Open Source Twitter (@sapopensource) [https://twitter.com/sapopensource] * Email us: ospo@sap.com [ospo@sap.com] * Try out an open-source podcast player – find a list here [https://podcastindex.org/apps?appTypes=podcast+player%2Copen+source] (list not maintained by SAP) * Additional Downloads * Download the transcript [https://sap-podcast-bucket.s3.amazonaws.com/open-source-way/25-04-opensourceway-48.pdf] as PDF file HOST: Karsten Hohage – Product Expert in Technology and Innovation (T&I) This image has an empty alt attribute; its file name is Karsten-Hohage.jpeg [https://podcast.opensap.info/open-source-way/wp-content/uploads/sites/19/2024/09/image.jpeg] LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/ [https://url.sap/i1itkn]