Apache Kafka Schema Registry.

The schema registry has to be a separated component
Producers and Consumers need to be able to talk to it
The Schema Registry must be able to reject bad data
A common data format must be agreed upon
- It needs to support schemas
- It needs to support evolution
- It needs to be lightweight

Confluent Schema Registry Purposes

Store and retrieve schemas for Producers/Consumers
Enforce backward/forward/full compatibility on topics
Decrease the size of the payload of data sent to Kafka