Serverless by Design: The Role of Functions in Europe’s Sovereign Cloud Future
summary
European sovereign cloud offers a FunctionGraph service on T‑Cloud (Deutsche Telekom T‑Systems) that mirrors Lambda with API Gateway, OBS (S3), DMS (Kafka), DDS and runtime libraries and supports Docker/custom Linux. Claims include dynamic resource allocation per invocation, a measured cold start of ~6 seconds reduced to ~50 ms by keeping 2 warm instances, and operational rules: monitor invocation errors throttling and concurrency, use notification policies for async retries, and log both original and current transaction IDs.
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chapters (13)
- 0:00Serverless functions in Europe
- 1:03T-Cloud function graph service
- 3:52Function runtimes and libraries
- 5:13Function lifecycle and cold starts
- 8:01Optimizing function resources
- 10:08Reducing cold start delays
- 11:53Observability metrics for functions
- 12:36Error handling policies
- 14:00Versioning and traffic shifting
- 15:23Serverless beyond convenience
- 17:31Building functions on T-Cloud
- 21:24Benchmarking serverless in Europe
- 22:47Q&A
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