Chapter 1. Introduction to SOA with Web Services

Complexity is a fact of life in information technology (IT) . Dealing with the complexity while building new applications, replacing existing applications, and keeping up with all the maintenance and enhancement requests represents a major challenge.

If all applications were to use a common programming interface and interoperability protocol, however, the job of IT would be much simpler, complexity would be reduced, and existing functionality could be more easily reused. After a common programming interface is in place, through which any application can be accessed, existing IT infrastructure can be more easily replaced and modernized.

This is the promise that service-oriented development brings to ...

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