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Rational enables development in multiplatform environments

Rational enables development in multiplatform environments

Walk into any computing center these days and what you discover right away is the only thing similar among them is the breadth of platforms, tools, devices and configurations used. We’ve clearly evolved from very regimented system and deployment architectures to a much more diverse, feature–rich and complex set of environments, which we all hope work together. Given the incredible speed of innovation across the software–development industry, this is to be expected. The Internet has fueled a growth in software applications and use of software to provide new business ventures like nothing else we have seen.

When you walk outside the computing center and back to your desk, cube or corner office as an application developer, it finally sinks in. The days of being a programmer who masters one particular programming language, one particular database platform, one particular runtime model or any other single environment are over. Businesses are increasingly in need of staff that can quickly adapt to whatever environment and platform is best suited to solve the business opportunity in front of them. Whether you're a seasoned COBOL expert, RPG whiz or a hotshot Java developer, your days as being only that are numbered. Your organization needs you to apply your expertise to whatever platform and language the application demands.

Dedicated Java Developer No More

Business applications are moving from large, contained, monolithic combinations of many source code modules all compiled and linked together, running on a single system to being widely distributed, loosely coupled, multifaceted and much more user–intuitive combinations of software components running across a multitude of computing systems. These systems range from hand–held devices and sensors connected over varying bandwidth communications links to high–performance computing systems running in protected data centers to virtual systems running in some cloud–provided environment in which you have no idea where the physical systems reside.

Furthermore, each of these components—depending on the deployment platform, runtime environment, original programming team's opinion, the desires of the last programmer to touch the application or any number of other reasons—can be implemented in a variety of programming languages. User–interface code running in a browser is written in Flash, Flex or JavaScript. Middle–tier server applications are written in .NET, Java or C/C++. Intense database operations are performed using stored procedures written in C, C++, COBOL or even PL/I. Applications that date back tens of years may be written in COBOL, PL/I, mainframe assembler code or Fortran. An increasing amount of software is written in Objective–C.

Tim Hahn is a distinguished engineer at IBM and has been with the company for 20 years. He is the chief architect for enterprise-modernization tools within the IBM Software Group Rational organization, where he’s responsible for strategy, architecture and design. Tim can be reached at hahnt@us.ibm.com.



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Rational enables development in multiplatform environments

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