Gartner predicts that by 2010, 80% of software revenue growth will come from SOA enabled applications. With such enormous potential, IT firms are constantly trying to ramp up their potential to deliver SOA as per their clients' need. SOA is a hard sell as it involves an intimate understanding of both the client's business and their IT landscape.
Continue reading "Challenges/barriers for jumping on to SOA bandwagon for IT firms" »
SOA applicability is very dependent on an organization's environment. Recently I got into a discussion about "SOA in the small." Is it feasible? I think not. But IMHO elements of SOA can be applied to the organization to fit into an enterprise SOA roadmap
SOA transformation is all very fine, but does is apply to all situations? For example, how do you apply SOA principles to organizations where the multitude of desktop users love the spreadsheet interface and swear by it? Perhaps a better question is, how should you apply SOA principles to environments where users are not looking to share information between desktops, where the ultimate flexibility of your own personal spreadsheet is inherently the differentiator between your product and your competition's, and where SOA is looked on as "Simply Over Ambitious?"
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Composite Application presents a new paradigm of application development which promises minimal writing of custom code and enables a business functionality through assembly of ready made components and services “harvested” out of existing enterprise applications and resources. These reusable assets have extension and configuration features or context, which need to be initialized while deploying the asset. Once deployed these would interact with the pre-exiting enterprise application through standardized interfaces and enable a new business use case or scenario. Since the new composite application is built out of pre-existing components and services after customization, the time to market is drastically reduced having obvious implications for the business. Having said that, these new breed of applications have a varied scope and touch points with diverse applications having different security mechanisms and models, database models, transaction models and so on. Hence, the composite has to take care of this distributed aspect which is not quite a simple thing to do.
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In a flattened world, the organization leverages its global supply chain to effectively source the best capabilities in the most cost effective fashion. Similarly, in enterprise IT, SOA provides the essential capabilities to have the global supply chain of technology and computing capabilities. The global supply chain helps to source the best of breed capabilities.
