# Legacy Architecture - PI11

The following component diagram shows the break-down of the Mojaloop services and its micro-service architecture for pre PI11:

![Mojaloop Architecture Overview PI11](https://960632945-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LXhOIEoqtInj89WmQ_Q%2Fsync%2Fdf9396cae9134073fb17e44b482707aca26cf548.svg?generation=1603981797847023\&alt=media)

*Note: Colour-grading indicates the relationship between data-store, and message-streaming / adapter-interconnects. E.g. `Central-Services` utilise `MySQL` as a Data-store, and leverage on `Kafka` for Messaging*
