# Legacy Architecture - PI6

The following component diagram shows the break-down of the Mojaloop services and its micro-service architecture for pre PI6:

![Mojaloop Architecture Overview PI6](https://960632945-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LXhOIEoqtInj89WmQ_Q%2F-LiTjlmdfoTN4h9g1FKC%2F-Lfze7T4k4qLD7tFSqTI%2FArch-Mojaloop-overview-PI6.svg?generation=1561736470122825\&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*
