A real CRM system

I know very little about commercial CRM- system. I have been very doubtful about them since they appeared on the marketplace. The only reason is that customership is not a set of attributes in a company or a person. It is in a simple form a relationship between a company or a person and a set of our (my) products.

When a relationship get a bit complex is needs an abstract even to give it flesh. In this way we can associate more things to it.

This is why a real CRM- system always contains the whole product portfolio and in fully integrated domain driven model also the whole production system to some extent. In this way CRM is always part of ERP!

I created a quite abstract model around the customership event object. Here it is:

Customership

 

The moto is: There is no customership without a product!

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