Clemens / Weblog

Clemens Vasters

Distributed systems, messaging, standards, travel, photography, politics, and notes accumulated since 2002.

Chronological index

All entries

July 2026

1 entries
  1. xRegistry hits RC3: one spec to describe — and generate — your entire messaging fabric

December 2025

2 entries
  1. Avrotize & Structurize 3.0 is here!
  2. JSON Structure - An Introduction

August 2025

2 entries
  1. Agent Autonomy
  2. An Interface Design Test for Collaborative Agents

April 2025

1 entries
  1. CNCF xRegistry 1.0 RC1 - What. Why. What might be next.

February 2025

1 entries
  1. A thought experiment: "New JSON Schema"

November 2024

13 entries
  1. H1/2025 Conference session proposals
  2. "Plain JSON" encoding for Apache Avro
  3. 11/10/2024
  4. A semantic identifier for occurrences: CloudEvent "type"
  5. Excrement on the platform
  6. 11/8/2024
  7. Bodennebel
  8. The German railways (Deutsche Bahn) drama
  9. 11/3/2024
  10. Standards are the work result of the five people who showed up
  11. 11/2/2024
  12. My conference talks in November and December
  13. 11/1/2024

October 2024

2 entries
  1. Streamifying Reference Data for Temporal Consistency with Telemetry Events
  2. Exploring Metadata and Schema Evolution in Modern Messaging Systems: CloudEvents and CNCF xRegistry

February 2023

2 entries
  1. Nothing serious
  2. Fuck Putin

January 2023

22 entries
  1. Ein Drama: Veranstaltungsräume für Brauchtumsveranstaltungen in der Stadt Viersen
  2. Die Stühle stehen und die Tischen sind beschildert
  3. "TeilDas" App.
  4. Twitter broke its API.
  5. Jan 9, 2023
  6. Jan 7, 2023
  7. Jan 6, 2023
  8. 23333 Kilometers. One year Porsche Taycan.
  9. Jan 5, 2023
  10. Jan 4, 2023
  11. Jecke, kommt zur Galasitzung der KG Hamm wer net (21.1.2023)
  12. Migrating data from Kafka clusters to Azure Event Hubs using MirrorMaker 2 (MM2)
  13. Jan 3, 2023
  14. Jan 2, 2023
  15. "I'll handle caching later!", I thought 😅
  16. Lambrecht bitte zeitenwenden.
  17. Jan 1st, 2023
  18. FlickR Image Tagger
  19. "GPT-3 Prompt to Text" tool
  20. dasBlog Reloaded
  21. Slava Ukraini! 🇺🇦
  22. "Frage der Woche"

December 2022

10 entries
  1. Immer nach vorne schauen!
  2. The future is bright
  3. Your NFTs are a lie.
  4. Belgian Air Force Agusta A109 Popping flares
  5. Heureka!
  6. (My fork's) dasBlog CloudEvents flow in action
  7. And voila, PR 673
  8. Proposal: Use CloudEvents for enabling event-driven notifications including cross-posting
  9. Tap tap tap
  10. Annoyed and doing something about it