How to prevent your information system from migrating... only to become more complex?

How to prevent your information system from migrating... only to become more complex? In IT transformation projects, one injunction keeps coming up: “We must migrate!” Towards the Cloud, towards modern architectures, towards more agile, simpler, more scalable solutions… in short, towards better! In recent years, we have seen the emergence of tools that have reshuffled the data game: Power BI, Looker, Strategy for dataviz, dbt for transformations, Snowflake or BigQuery for storage. A non-exhaustive list...: cloud-native solutions, lightweight, efficient, accessible (often) - and which accelerate the obsolescence of old architectures. {openAudit} , our software, allows these migrations to be carried out in an ultra-efficient manner by automating most of the tasks. But in the long run, each migration is actually a milestone. The worst thing would be to let the target system drift from the start, which would quickly wipe out years of work!...