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Tutorials : Service Oriented Architecture - Part 1 :

Technology and Patience

I know I talk a lot about the background here, but, one thing I have learned from my mistakes is not to rush into technology. In order to be effective in our execution we must correctly identify the Business processes and the Business requirements. Only then can we make a decision on what technology will work best. Then, we draw a set of Service specifications. We measure the specifications against the infrastructural constraints of the organization in concern. A simple case may be that if most of the IT application in a specific organization is already written using Visual Basic, then we need to pause before we propose a Java based solution. Remember, any technology is capable of producing a Business solution and switching technology means extra costs, which may need to be justified. So please be patient until next part of this article, where we take a step towards the technology.

Conclusion

In the first part of this series, we have layed out a case for the Service Oriented Architecture, defined what Service actually means and discussed few guidelines about identifying Services. We have also warned about the danger in rushing to technology too early in the process of SOA implementation. In the next part of this article, we will talk about the Service specification and take a step towards available lava based technologies to implement Service Oriented Architecture.

Next month, we will talk about Service Specification and available technology and in the final part, we will discuss the most popular technology for SOA—Web Services.

Samudra Gupta has more than 8 years of experience in the area of Java based application design and development. He works as an independent consultant in United Kingdom and at present provides consultancy in government tax regime and intelligence information system development. In past, he has provided expert consultancies in the Publication and Retail sector software development. He is the author of the book “Logging in Java with JDK1.4 Logging API and Apache Log4j”, Apress, April, 2003. He is a regular contributor to different Java magazines and journals like Javboutique, JavaWorld, Java Developers Journal, DevX etc. In his free time, he loves to play contract bridge and ten pin bowling.

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