Tutorial on building a framework for middle office business system

This is an architecture that can be used as an upstream, midstream and downstream midrange system for integrated marketing management ,

A lot of capacity expansion has been done , From top to bottom

How to deal with upstream suppliers who already have information systems ？

There are self-made api Design ;

How to connect with the downstream order subsystem ？

There are from the bottom api Design ;

Actually, I looked at the overall architecture , The core is still “ People and goods account ” Integrated management ,

Integrated management , The whole business system will have

Introduction to the structure of order management system