Responsibilities: Producers versus Consumers
Description
| Aspect |
Producer |
Consumer |
| Contract |
Defines, publishes |
Codes against published schema |
| Contract Testing |
Tests implementation against published schema |
Tests implementation against published schema |
| Sequencing |
Inserts sequence number |
Reads and reorders, then processes |
| Versioning |
Responsible evolution, deprecation |
Stay up to date, process what you can, fail gracefully |
| Message Payload |
Publishes all data in the contract |
Reads & validates what it needs, forgives what it doesn’t need |
References
Last updated on 28 Aug 2020