Apache Kafka vs. ESB / ETL / MQ

Apache Kafka and Enterprise Service Bus (ESB) are complementary, not competitive!

Apache Kafka is much more than messaging in the meantime. It evolved to a streaming platform including Kafka Connect, Kafka Streams, KSQL and many other open source components. Kafka leverages events as a core principle. You think in data flows of events and process the data while it is in motion. Many concepts, such as event sourcing, or design patterns such as Enterprise Integration Patterns (EIPs), are based on event-driven architecture.

Kafka is unique because it combines messaging, storage, and processing of events all in one platform. It does this in a distributed architecture using a distributed commit log and topics divided into multiple partitions.

ETL and ESB have excellent tooling, including graphical mappings for doing complex integration with legacy systems and technologies such as SOAP, EDIFACT, SAP BAPI, COBOL, etc. (Trust me, you don’t want to write the code for this.)

Therefore, existing MQ and ESB solutions, which already integrate with your legacy world, are not competitive to Apache Kafka. Rather, they are complementary!

Read more details about this question in my Confluent blog post:

Apache Kafka® vs. Enterprise Service Bus (EBS) | Confluent

As always, I appreciate any feedback, comments or criticism.

Kai Waehner

bridging the gap between technical innovation and business value for real-time data streaming and applied AI.

Recent Posts

dbt Meets Apache Flink: One Workflow for Data Engineers on Snowflake, BigQuery, Databricks, and Confluent

Two toolchains, two skill sets, two CI/CD pipelines — that has been the reality for…

3 months ago

The Shift Left Architecture 2.0: Operational, Analytical and AI Interfaces for Real-Time Data Products

The Shift Left Architecture moves data integration logic into an event-driven architecture where governed data…

3 months ago

UFC VIP Experience Worth the Price? Fan Review. Business Perspective. Tech Vision.

The Ultimate Fighting Championship (UFC) held Fight Night London on March 21, 2026, at The…

3 months ago

Dashboards and Queries for Apache Kafka: Operational, Explorative, and the Role of the Context Engine

Dashboards are a popular way to make streaming data visible and useful, but they are…

3 months ago

Data Streaming at MWC 2026: How Apache Kafka, Flink and Agentic AI Power Telecom Trends

Mobile World Congress (MWC) 2026 highlights the shift from batch systems to real time data…

4 months ago

From Takeoff to Touchdown: Real-Time Aviation with Data Streaming at Qantas

This blog post explores how data streaming transforms airline operations by enabling real-time visibility, faster…

4 months ago