5.5. Alternatives to Mainframe Interoperability
Architects may want to consider alternatives to mainframe interoperability other than building on top of the mainframe architecture. This interest is usually driven by lower total cost of ownership (such as operating cost and service support cost for legacy COBOL applications), transition strategy to move away from obsolete COBOL technology to Open Standards and J2EE technology, and more importantly, easier integration and interoperability using Java technology.
By migrating legacy application code to Java, architects and developers can then determine whether they would like to use document-based (asynchronous) or RPC-based (synchronous) Java Web Services. This will allow more flexibility in customizing ...
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