ALASCA Summit 2025 - Sovereign Cloud Stack Technical Deep Dive

Digital sovereignty goes far beyond data sovereignty. In discussions with the industry, the Sovereign Cloud Stack project has worked out three more areas that need addressing for infrastructure platforms:

Technical standards that ensure the provider switching capability
A complete, modular openly developed open source implementation of these standards in production grade software
Knowledge building and transparency especially on operations of such infrastructure.

The presentation will start with a short overview and then deep dive into the technology decisions taken for the reference implementation and answer the following questions:

Why have we chosen Kubernetes?
Why did we put Kubernetes on a virtualisation layer?
How do we judge what software components are eligilble to become part of the reference implementation?
How do we avoid fragmentation and keep providers alilgned?
What tools and processes help us with being predictable?
How do we achieve a high level of security? How do Reviews, Pipelines and the CI process work?

We'll also give an honest view on what worked out better than anticipated and what technical challenges remain to be solved.

held by Kurt Garloff, from the Sovereign Cloud Stack


The ALASCA Summit is a community event for open source cloud infrastructure in Dresden combining technical deep dives on open source projects, important political discussions regarding Germany' and Europe's sovereign digital future, as well as hands on workshops and the possibility of connecting with many different people within the industry.

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