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The Open Source Way

The Open Source Way

Hosted by SAP SE

Episodes

55

Latest episode

May 2026

Language

EN

About the show

A podcast with open source enthusiasts about open source trends, topics and projects.

Listen to episodes

55 recent
May 7, 2026Episode 5533 min

OpenSSL

What is SSL and how does secure internet communication work? In this episode, we explore SSL, encryption basics, and the story behind OpenSSL—from early web security to modern open-source cryptography.In this episode, we break down SSL, TLS, encryption, and secure communication in a simple, practical way, while exploring the history and impact of OpenSSL—one of the most widely used open-source security libraries.We go back to the early internet era of Netscape vs Internet Explorer, when encryption was restricted and controlled, and SSL was just emerging. Learn how OpenSSL was created, how export laws shaped cryptography, and why open source changed everything for web security.We also dive into:🔐 How SSL/TLS encryption works🌐 The evolution of internet security protocols💥 The Heartbleed vulnerability and its global impact🧠 Cryptography basics like randomness and elliptic curve algorithms👥 How the OpenSSL open-source community operates🏢 The structure of the OpenSSL Foundation and commercial supportYou’ll also hear a real journey into open source—from first contributions to becoming part of a core team—giving insight into how major security projects evolve behind the scenes.Guests:Matt Caswell - https://www.linkedin.com/in/matt-caswell-5a8b14/

March 11, 2026Episode 5429 min

Cloud Foundry

Cloud Foundry after Kubernetes: How a lighter community process, growing contributions, and a new path to Kubernetes are shaping the platform’s next chapter. In this episode of the Open Source Way podcast, Karsten speaks with Beyhan Veli about the current evolution of Cloud Foundry and the community behind it. They discuss how the project reorganized its contributor processes to make onboarding easier and more transparent, leading to a significant increase in community participation and RFC-driven innovation. Beyhan also shares updates on recent platform features, including cloud-native buildpacks, improved health checks, configurable routing algorithms, and IPv6 support. The conversation explores how Cloud Foundry and Kubernetes are increasingly seen as complementary technologies rather than competitors, culminating in a new initiative to enable Cloud Foundry deployments directly on Kubernetes. Together, they reflect on the renewed momentum in the ecosystem and what the future may hold for developers and contributors.Guests:⁠Beyhan Veli  (LinkedIn)

February 11, 2026Episode 5335 min

UI5 & MCP - Navigating the Model Context Protocol in SAP

In this episode, we delve into the intricacies of the Model Context Protocol (MCP) within the SAP ecosystem, a pivotal component designed to offer domain expertise to LLMs. Join our host alongside Tim Back and Florian Vogt as we unpack the role and significance of MCP in the SAP ecosystem in the world of AI.Guests:Florian Vogt (LinkedIn) and on GitHubTim BackShow Notes:UI5 MCP Server BlogpostUI5 MCP server on GitHub

December 1, 2025Episode 5226 min

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 LiénardSonja 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/Show Notes:SAP Help Portal | ABAP Development Tools for EclipseSAP Learning | Learn the Basics of ABAP Programming on SAP BTPThe Open Source Way | License Compliance – From risks to developer friendly processesThe Open Source Way | Rust – A Language on the RiseThe Open Source Way | Eclipse Dirigible – An Open-Source Platform for End-To-End Rapid Development of Business ApplicationsSAP Open Source Program OfficeInnovation at SAP | SAP Open SourceSAP Community | SAP Open SourceSAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comAdditional DownloadsDownload the transcript as PDF fileTry out an open-source podcast player – find a list here (list not maintained by SAP)Host:Karsten Hohage – Product Expert in Technology and Innovation (T&I)Follow Karsten on LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

October 16, 2025Episode 5138 min

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 PriyadarshiniAs 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/ Juergen WalterJürgen 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/Karsten SchnitterKarsten 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/Show Notes:SAP Cloud Logging at Discovery Center: https://discovery-center.cloud.sap/serviceCatalog/cloud-loggingOpenSearch Main Page: https://opensearch.org/Github Project: https://github.com/opensearch-projectCase Study: OpenSearch@SAP: 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=PLzgr9zSpws14nCUmupVPypGXq87rcFp5YCloud Foundry: https://podcast.opensap.info/open-source-way/2022/09/28/cloud-foundry-a-one-size-fits-all-solution-for-application-development/Kyma: https://podcast.opensap.info/open-source-way/2020/12/23/project-kyma-an-easy-way-to-extend-enterprise-applications/SAP Open Source Program OfficeInnovation at SAP | SAP Open Source: https://www.sap.com/about/company/innovation/open-source.htmlSAP Community | SAP Open Source: https://community.sap.com/topics/open-sourceSAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comAdditional DownloadsDownload the transcript as PDF fileTry out an open-source podcast player – find a list here (list not maintained by SAP)Host:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

September 17, 2025Episode 5024 min

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:Maximilian TechritzMaximilian 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 Johannes OttJohannes 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/Show Notes:https://github.com/openmcp-projecthttps://neonephos.org/https://apeirora.eu/https://www.bundeswirtschaftsministerium.de/Redaktion/EN/Artikel/Industry/ipcei-cis.htmlSAP Open Source Program OfficeSAP Open Source at SAP CommunitySAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comAdditional DownloadsDownload the transcript as PDF fileTry out an open-source podcast player – find a list here (list not maintained by SAP)Host:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

July 17, 2025Episode 4929 min

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:Helge DellerHelge 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-dellerAlex BennéeAlex 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/Show Notes:QEMU ProjectProject homepage: http://www.qemu.orgCode repo: https://gitlab.com/qemu-project/qemuIssues: https://gitlab.com/qemu-project/qemu/-/issuesDocumentation: https://qemu.readthedocs.ioSAP Open Source Program OfficeSAP Open Source at SAP CommunitySAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comAdditional DownloadsDownload the transcript as PDF fileQEMU: https://www.qemu.org/Linaro: https://www.linaro.org/KVM: https://linux-kvm.org/PA-RISC: https://parisc.docs.kernel.org/Alex on GitHub: https://github.com/stsquadHelge on GitHub: https://github.com/hdellerTry out an open-source podcast player – find a list here (list not maintained by SAP)Host:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

April 16, 2025Episode 4831 min

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: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-006199110Show Notes:Catena-X: https://catena-x.net/Tractus-X: https://eclipse-tractusx.github.io/SAP Open Source Program OfficeSAP Open Source at SAP CommunitySAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comTry out an open-source podcast player – find a list here (list not maintained by SAP)Additional DownloadsHost:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

February 26, 2025Episode 4735 min

Asset Administration Shell

In this episode Karsten Hohage and Thiago Weber Martins, the product manager for AAS Digital Twins at SAP, take a deep dive into the Asset Administration Shell.The host Karsten Hohage converses with Thiago Weber Martins, the product manager for AAS Digital Twins at SAP, about the Asset Administration Shell (AAS). Thiago takes us on a journey about what the AAS is, what the standards are, and where AAS and digital twins are used. Together they also talk about the original idea and goals of digital twins and how these developed over time.Guests:Thiago Weber MartinsThiago is a Product Manager for AAS Digital Twins at SAP. His mission is to further develop digital twins based on standards within business applications and processes to ensure interoperability in industrial ecosystems.  He is therefore involved in the Industrial Digital Twin Association (IDTA) to drive the Asset Administration Shell (AAS) as the standard for digital twins. Thiago is also a project lead for the Eclipse AAS Model for Java and member of the Project Management Committee of the Eclipse Digital Twin Top-Level Project.He holds a PhD in mechanical engineering from TU Darmstadt, where he focused on AI approaches to automate product development processes. LinkedIn: https://www.linkedin.com/in/dr-thiago-weber-martins/Show Notes:SAP Open Source Program OfficeSAP Open Source at SAP CommunitySAP Open Source Twitter (@sapopensource)Email us: ospo@sap.comTry out an open-source podcast player – find a list here (list not maintained by SAP)Additional DownloadsHost:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

December 17, 2024Episode 4645 min

InnerSource Commons

A dive into the basics of InnerSource Commmons, the worlds largest community of InnerSource advocates.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.Guests:Danese CooperDanese Cooper is a well-known advocate for open source. She is also the founder of the InnerSource Commons Foundation. During her career in tech, she has focused on manifesting better software engineering outcomes by fostering healthy community practices and implementing transparent processes. She says that she abhors silos. GitHub: https://github.com/daneseRuss RutledgeRuss Rutledge is the Executive Director of the InnerSource Commons. He also serves as Senior Director of InnerSource and collaboration at WellSky, the health technology company leading the charge to make healthcare better for everyone. And Russ’s drive and passion is to enable all software engineers worldwide to achieve incredible results via streamlined collaborative InnerSource processes.GitHub: https://github.com/rrrutledgeGuilherme DellagustinI am a software developer who acts as InnerSource Officer at SAP. I’m also a member of the InnerSource Commons foundation. As InnerSource officer, I co-lead the InnerSource program at SAP, helping spread the practice in the company, and as member of foundation, I do the same, but to spread the practice in the whole industry. I was also the producer of this very podcast in 2023. In my free time, I talk about retrogaming (in portuguese) at the podcast “Fliperama de Boteco”.GitHub: https://github.com/dellagustin-sapShow Notes:Download the transcript as PDF fileInnerSource Commons: https://innersourcecommons.org/SAP Open Source Program OfficeSAP Open Source at SAP CommunitySAP Open Source on X (Twitter)Email us: ospo@sap.comTry out an open-source podcast player – find a list here (list not maintained by SAP)Host:Karsten Hohage – Product Expert in Technology and Innovation (T&I)LinkedIn: https://www.linkedin.com/in/karsten-hohage-0180312/

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