Patrick Smith

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In the early '90s, many companies invested in traditional client/server architectures by building fat-client applications with rich graphics that offloaded legacy-system processing time. GUI business applications presented lower runtime costs than the CICS applications they replaced due to reduced demand on the mainframe server. This fat client would handle all business logic and data validation and then commit data to the server. The emergence of Java and the Web, however, prompted another major shift in thinking about building applications. With Internet-based technology, suddenly companies could extend their reach by delivering dynamic HTML in a browser to anyone with a Web connection. This new Web-enabled world thus reversed the earlier trend, and application development began moving business logic back to the server. Many early adopters among the Fortune 500 m... (more)