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Real World XML Web Services: For VB and VB .NET Developers by Yasser Shohoud

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1.2. Interoperability

Another issue that many business applications face is that of interoperability with other applications. It would be great if all applications were written in COM- or .NET-aware languages running on Windows. However, the fact is most business data is still kept on mainframes in non-relational databases (such as Virtual Storage Access Method) files and accessed by mainframe applications written in COBOL. (There are also many business applications being developed every day in C++, Java, Visual Basic, and a variety of other languages.) Today, all but the simplest applications need to integrate and exchange data with other applications running on heterogeneous platforms. Integrating such applications is typically done on a case-by-case ...

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