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Web Technology: Theory and Practice by M. Srinivasan

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9.5 USE CASES

Web services can be used not only while designing an application from scratch but also for legacy applications. When their services are cast through web services, they give a new lease of life to legacy applications. Whatever be the model, it defines how a piece of functionality can be exposed to the outside world. Some of the examples where it can be used are:

  • Transactional environments
    • Means of communication with different modules
  • EAI
    • Implemented on the intranet
    • As messaging
  • Business web services
    • Trading partner communication
    • Multi channel integration

9.5.1 Sample Scenarios

For an e-commerce trading firm say in books on the web, customer support just to track order status is a vital function. The traditional way is ...

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