Preface

 

The reports of my death are greatly exaggerated.

 
 --Mark Twain

Throughout the 1990s, many industry pundits predicted the demise of the mainframe. It seemed that the entire information technology (IT) industry got caught up in the frenzy of client/server this and distributed that. Some lost sight of the fact that the purpose of IT is to address business problems and opportunities. Many didn’t realize that, during this time, the mainframe evolved substantially with the addition of a standardized UNIX® development and execution environment, web serving capabilities, Java™, XML support, TCP/IP, firewall, and virtualization, while continuing to grow in both standalone processing power and clustering capabilities. Of course, the mainframe also ...

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