An example of a Web service:
travel agent usage scenario
Travel agent service sells vacation packages
Uses other Web services: credit card WS, hotel WS, airline WS
Customer
Travel Agent Service
uses
Credit Card WS 1
Airline WS 1
Airline WS 2
Airline WS 3
Hotel WS 1
Hotel WS 2
Hotel WS 3
Hugo Haas, W3C
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