OpenShift Archives - Kai Waehner

Open RAN and Data Streaming with Apache Kafka and Flink in Telecom Industry for Network Analytics and Observability

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8 minute read

Open RAN and Data Streaming: How the Telecom Industry Modernizes Network Infrastructure with Apache Kafka and Flink

ByKai Waehner
26. June 2025

Open RAN is transforming telecom by decoupling hardware and software to unlock flexibility, innovation, and cost savings. But to fully realize its potential, telcos need real-time data streaming for observability, automation, and AI. This post shows how Apache Kafka, Apache Flink, and a diskless data streaming platform like Confluent WarpStream help telco operators scale RAN data processing securely and cost-effectively.

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2 minute read

IoT Live Demo – 100.000 Connected Cars with Kubernetes, Kafka, MQTT, TensorFlow

ByKai Waehner
8. November 2019

Live Demo – 100.000 Connected Cars – Real Time Processing and Analytics with Kubernetes, Kafka, MQTT and TensorFlow leveraging Confluent and HiveMQ.

Confluent Operator - A Kafka Operator for Kubernetes

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4 minute read

Kafka Operator for Kubernetes – Confluent Operator to establish a Cloud-Native Apache Kafka Platform

ByKai Waehner
29. July 2019

Kafka Operator for Kubernetes – Confluent Operator to establish a Cloud-Native Apache Kafka Platform on Kubernetes (OpenShift, CloudFoundry, Hybrid Cloud).

ByKai Waehner
9. May 2018

I had a new talk presented at “Codemotion Amsterdam 2018” this week. I discussed the relation of Apache…

ByKai Waehner
5. April 2017

I want to share my slide deck and video recordings from the talk “10 Lessons Learned from Building Cloud Native Middleware Microservices” at O’Reilly Software Architecture April 2017 in New York, USA in April 2017.

ByKai Waehner
24. February 2017

Case Study: How to Move from a (Middleware) Monolith to Cloud, Containers and Microservices leveraging Docker, Cloud Foundry, Kubernetes, Consul, Hystrix, API Management, and others cool things.

ByKai Waehner
20. October 2016

Log Analytics is the right framework or tool to monitor for Distributed Microservices. Comparison of Open source, SaaS and Enteprrise Products. Plus relation to big data components such as Apache Hadoop / Spark.

ByKai Waehner
14. September 2016

This blog explains the different components of a hybrid integration architecture, their deployment models, when to use them, and their target audience. Afterward, each section shows how TIBCO’s Hybrid Integration Platform maps to this.

ByKai Waehner
3. October 2012

These days, I am at JavaOne 2012 in San Francisco. That’s the largest and most important Java conference worldwide. In this blog post, I wanna share the slides of my two talks…

Cloud

ByKai Waehner
15. October 2011

“Cloud Computing Architected – Solution Design Handbook” by John Rhoton and Risto Haukioja was published by Recursive Press in May 2011. This book is a great addition to other books about cloud computing.

Technology Evangelist

Kai Waehner

OpenShift

Global Field CTO

Apache Kafka vs. Middleware (MQ, ETL, ESB) – Slides + Video

Deep Learning Example: Apache Kafka + Python + Keras + TensorFlow + Deeplearning4j

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