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Article Excerpt
Service orientation, Web services, self-describing data, loosely coupled applications--choose your favorite term. The enterprise IT world is moving inexorably towards architectures that will allow rapid development of applications that provide real differentiated value to their businesses.
The goal is a virtualized, real-time, extensible enterprise architecture that can quickly offer new functionality, yet integrates easily with legacy assets. This architecture must be reliable, extensible, and manageable. It must offer the highest performance for peak loads, yet not be oversized, leaving assets underutilized for typical workloads, it should offer the highest availability without duplication of expensive components.
Is it possible to build such an architecture in today's budget-constrained environments? Are standards maturing quickly enough to at least settle on a plan? Can an enterprise embark on such a quest in an evolutionary manner?
The industry answer has been "Yes, probably." Although there are many emerging standards and systems vendor strategies there is agreement in at least two areas:
1. A service-oriented architecture is a "good thing."
2. The foundation for loosely coupled applications using self-describing data is XML.
The momentum behind service orientation/Web services and XML in recent years has been stunning. Today, the majority of Fortune 1000 enterprises are utilizing XML-formatted data both for business-to-business communication and for data center applications. Zapthink, an industry analyst company with a focus on service orientation, estimates that by 2006, 25% of all LAN traffic will be XML-based, indicating a massive growth in data center XML and service orientation. It is this very growth of XML in the data center that presents an...
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