An event broker is an infrastructure service that provides a publish-subscribe capability through topics.
There are many different event broker implementations with greater or lesser reliability and performance. Egeria’s default event broker is Apache Kafka. This is an open source event broker with a high level of performance, scalability and reliability.
Many organizations establish a standard choice of their event broker service which is why Egeria uses connectors to connect to the event broker so that Apache Kafka can be swapped out for a different event broker implementation. As such, each topic is accessed through an open metadata topic connector.
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