Note: A function is a type of activity describing the functionality of a service. Every function usually (but not always) can be mapped to service operations defined as a part of the service’s interface; i.e., functions provide a “business view” and service operations provide a “technical view” of a particular service activity. Note: A real world effect is an ultimate purpose associated with the interaction with the service. It may be the response to a request for information or the change in the state of some entities shared between the participants in the interaction. Example functions and real world effects: function | real world effect |
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Retrieve a list of flights | (Network Information sharing) | Retrieve information of a single flight | (Network Information sharing) | Provide Departure Planning Information (DPI) | NM systems updated with the information; NM systems publish the resulting flight update |
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