Kai Waehner

Kai Waehner

bridging the gap between technical innovation and business value for real-time data streaming, processing and analytics
The Top 20 Problems with Batch Processing (and How to Fix Them with Data Streaming)The Top 20 Problems with Batch Processing (and How to Fix Them with Data Streaming)

The Top 20 Problems with Batch Processing (and How to Fix Them with Data Streaming)

Batch processing introduces delays, complexity, and data quality issues that modern businesses can no longer afford. This article outlines the…

22 hours ago
Replacing Legacy Systems, One Step at a Time with Data Streaming: The Strangler Fig ApproachReplacing Legacy Systems, One Step at a Time with Data Streaming: The Strangler Fig Approach

Replacing Legacy Systems, One Step at a Time with Data Streaming: The Strangler Fig Approach

Modernizing legacy systems doesn’t have to mean a risky big-bang rewrite. This blog explores how the Strangler Fig Pattern, when…

6 days ago
Retail Media with Data Streaming: The Future of Personalized Advertising in CommerceRetail Media with Data Streaming: The Future of Personalized Advertising in Commerce

Retail Media with Data Streaming: The Future of Personalized Advertising in Commerce

Retail media is reshaping digital advertising by using first-party data to deliver personalized, timely ads across online and in-store channels.…

2 weeks ago
Modernizing OT Middleware: The Shift to Open Industrial IoT Architectures with Data StreamingModernizing OT Middleware: The Shift to Open Industrial IoT Architectures with Data Streaming

Modernizing OT Middleware: The Shift to Open Industrial IoT Architectures with Data Streaming

Legacy OT middleware is struggling to keep up with real-time, scalable, and cloud-native demands. As industries shift toward event-driven architectures,…

2 weeks ago
CIO Summit: The State of AI and Why Data Streaming is Key for SuccessCIO Summit: The State of AI and Why Data Streaming is Key for Success

CIO Summit: The State of AI and Why Data Streaming is Key for Success

The CIO Summit in Amsterdam provided a valuable perspective on the state of AI adoption across industries. While enthusiasm for…

3 weeks ago
Cathay: From Premium Airline to Integrated Travel Ecosystem with Data StreamingCathay: From Premium Airline to Integrated Travel Ecosystem with Data Streaming

Cathay: From Premium Airline to Integrated Travel Ecosystem with Data Streaming

Cathay Pacific is evolving beyond aviation, rebranding as Cathay to offer a seamless travel and lifestyle ecosystem. From flights to…

3 weeks ago
How Data Streaming and AI Help Telcos to Innovate: Top 5 Trends from MWC 2025How Data Streaming and AI Help Telcos to Innovate: Top 5 Trends from MWC 2025

How Data Streaming and AI Help Telcos to Innovate: Top 5 Trends from MWC 2025

As the telecom and tech industries rapidly evolve, real-time data streaming is emerging as the backbone of digital transformation. For…

4 weeks ago
Data Streaming as the Technical Foundation for a B2B Marketplace

Data Streaming as the Technical Foundation for a B2B Marketplace

A B2B data marketplace empowers businesses to exchange, monetize, and leverage real-time data through self-service platforms featuring subscription management, usage-based…

4 weeks ago
Data Streaming with Apache Kafka and Flink in the Media Industry: Disney+ Hotstar and JioCinema

Data Streaming with Apache Kafka and Flink in the Media Industry: Disney+ Hotstar and JioCinema

The $8.5 billion merger of Disney+ Hotstar and Reliance’s JioCinema marks a transformative moment for India’s media industry, combining two…

1 month ago
Online Model Training and Model Drift in Machine Learning with Apache Kafka and Flink

Online Model Training and Model Drift in Machine Learning with Apache Kafka and Flink

The rise of real-time AI and machine learning is reshaping the competitive landscape. Traditional batch-trained models struggle with model drift,…

1 month ago