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UML 2.0 in Action by Philippe Baumann, Patrick Grassle, Henriette Baumann

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3.3 External View

3.3.1 What Benefit does a Business System Provide?

As a customer or business partner of an organization, you don’t care if transactions within an organization take place manually or are IT-based. You are also not interested in how many forms employees of the organization have to fill out, whether it is 2 or 20. Customers and business partners are merely interested in what kind of goods and services can be offered, and how they can make use of them. The customer view describes the interactions with external parties, such as customers and partners, and presents the business system as a black box.

Note

Consider a business system, such as passenger services or an airport newsstand from the outside. Which output is of interest for customers ...

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