A lot of the current services and data will stay as is for now but new needs to be created on the basis of this mess. So one thing that would be of benefit is to create this uniform interface towards a lot of different things while adding access control, Security and such in a consistent manner. Graphql being one of the things Im looking at but also data virtualization solutions like denodo or Redhat and stuff like neo4j+Graphql seems interresting. On top of that we would consume and build new api and services in a more fixed schema. Adding api mgnt

Atleast its my initial thought that it would shorten the development cycle if all data could be found one place and acccessed the same way rather than now where people spend months just analyzing Where to find and connect to it. Hoping someone had experience with some of the techniques and Can say somehing thats more than marketing you read at a vendor site.