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Service-Oriented Architecture: Concepts, Technology, and Design by Thomas Erl

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Appendix A. Case Studies: Conclusion

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A.1 RailCo Ltd.

A.2 Transit Line Systems Inc.

A.3 The Oasis Car Wash

A.1. RailCo Ltd.

RailCo’s original goals were to upgrade its automation systems so that it could remain competitive and continue its business relationship with its primary client, TLS. RailCo had lost TLS as a customer when a competitor managed to provide air brake parts at a lower price while also interfacing with TLS’s B2B system. RailCo rushed to catch up, producing a pair of Web services designed only for use with the TLS system. This allowed RailCo to regain its position as a TLS vendor.

These two initial Web services were

• Invoice ...

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