In the service economy, the business focus is to provide value-adding services to its customers. What you as a business have to decide is: what is a reasonable and economically viable set of services to offer. And then you build a platform of services. This is not a complete solution to one problem – it is a partial solution to many different problems, in many different contexts. That's how you get reuse, economics of scale and scope, and ultimately business viability.
So we have three types of requirements engineering, as shown in the following table.
|Identify Business Problem |
|Identify Domain |
Identify Domain Experts
Design Solution Kit
Procure and Release Devices
Extract from Business Modelling for SOA (CBDI Journal, March 2005)