Oracle WebLogic Server: A Solid Foundation for Service-Oriented Architecture

Service-oriented architecture (SOA) has sparked an IT revolution. Deploying coherent packages of software functionality as loosely coupled, coarse-grained services delivers dramatically improved application flexibility, allowing enterprises to continuously adapt constellations of services to keep IT capabilities aligned with business goals.

• Oracle WebLogic Server Implements EJB 3.0 with Pitchfork
• Deployment Descriptors Are Simplified
• Support for Both JPA and JDO

By making it easier to write business services and their interfaces, Java EE 5 promotes a much-richer SOA ecology. Actually building up this ecology within enterprises requires keeping individual service instances and the broader SOA environment healthy. An API specification alone cannot meet this requirement. Enterprises need an industrial-grade implementation—one with the deployment, management, and robustness required of any mission-critical IT component.

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Using Stepwise refinement techniques!

The Stepwise refinement techniques in data structures :-

Step-wise refinement is a technique for software development using a top-down, structured approach to solving a problem. It allows the developer to use a controlled method of developing an algorithm that will eventually solve a given problem.

Basically, step-wise refinement involves the use of a generalized approach to a problem, perhaps written in pseudo-code. The next step would be to fill in one of the holes in the code. The pseudo-code describes a general, non-specific way to solve the problem deferring the actual decisions until last minute. That way the developer can assign place-holders in the logic until they are actually needed.

Then, each step involves the use of refining (adding the logic) a step in the development of the algorithm to make it more specific, doing so one step at at time.

When everything has been refined you have a complete program; however, it takes multiple steps (step-wise refining) to get to that point where a complete, syntactically correct program emerges.

Read more: http://wiki.answers.com/Q/What_is_Stepwise_refinement_techniques_in_data_structure#ixzz24kHm0r92

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